20129927440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{9851}}^1$

素因数の和:10001

約数の個数: 160

約数和(自身を含む): 55413953280

約数和(自身を除く): 35284025840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 89, 112, 140, 164, 178, 205, 280, 287, 328, 356, 410, 445, 560, 574, 623, 656, 712, 820, 890, 1148, 1246, 1424, 1435, 1640, 1780, 2296, 2492, 2870, 3115, 3280, 3560, 3649, 4592, 4984, 5740, 6230, 7120, 7298, 9851, 9968, 11480, 12460, 14596, 18245, 19702, 22960, 24920, 25543, 29192, 36490, 39404, 49255, 49840, 51086, 58384, 68957, 72980, 78808, 98510, 102172, 127715, 137914, 145960, 157616, 197020, 204344, 255430, 275828, 291920, 344785, 394040, 403891, 408688, 510860, 551656, 689570, 788080, 807782, 876739, 1021720, 1103312, 1379140, 1615564, 1753478, 2019455, 2043440, 2758280, 2827237, 3231128, 3506956, 4038910, 4383695, 5516560, 5654474, 6137173, 6462256, 7013912, 8077820, 8767390, 11308948, 12274346, 14027824, 14136185, 16155640, 17534780, 22617896, 24548692, 28272370, 30685865, 32311280, 35069560, 35946299, 45235792, 49097384, 56544740, 61371730, 70139120, 71892598, 98194768, 113089480, 122743460, 143785196, 179731495, 226178960, 245486920, 251624093, 287570392, 359462990, 490973840, 503248186, 575140784, 718925980, 1006496372, 1258120465, 1437851960, 2012992744, 2516240930, 2875703920, 4025985488, 5032481860, 10064963720, 20129927440]

約数ペア:

[(1, 20129927440), (2, 10064963720), (4, 5032481860), (5, 4025985488), (7, 2875703920), (8, 2516240930), (10, 2012992744), (14, 1437851960), (16, 1258120465), (20, 1006496372), (28, 718925980), (35, 575140784), (40, 503248186), (41, 490973840), (56, 359462990), (70, 287570392), (80, 251624093), (82, 245486920), (89, 226178960), (112, 179731495), (140, 143785196), (164, 122743460), (178, 113089480), (205, 98194768), (280, 71892598), (287, 70139120), (328, 61371730), (356, 56544740), (410, 49097384), (445, 45235792), (560, 35946299), (574, 35069560), (623, 32311280), (656, 30685865), (712, 28272370), (820, 24548692), (890, 22617896), (1148, 17534780), (1246, 16155640), (1424, 14136185), (1435, 14027824), (1640, 12274346), (1780, 11308948), (2296, 8767390), (2492, 8077820), (2870, 7013912), (3115, 6462256), (3280, 6137173), (3560, 5654474), (3649, 5516560), (4592, 4383695), (4984, 4038910), (5740, 3506956), (6230, 3231128), (7120, 2827237), (7298, 2758280), (9851, 2043440), (9968, 2019455), (11480, 1753478), (12460, 1615564), (14596, 1379140), (18245, 1103312), (19702, 1021720), (22960, 876739), (24920, 807782), (25543, 788080), (29192, 689570), (36490, 551656), (39404, 510860), (49255, 408688), (49840, 403891), (51086, 394040), (58384, 344785), (68957, 291920), (72980, 275828), (78808, 255430), (98510, 204344), (102172, 197020), (127715, 157616), (137914, 145960)]