2170274320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2384

約数の個数: 80

約数和(自身を含む): 5187168000

約数和(自身を除く): 3016893680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 331, 410, 656, 662, 820, 1324, 1640, 1655, 1999, 2648, 3280, 3310, 3998, 5296, 6620, 7996, 9995, 13240, 13571, 15992, 19990, 26480, 27142, 31984, 39980, 54284, 67855, 79960, 81959, 108568, 135710, 159920, 163918, 217136, 271420, 327836, 409795, 542840, 655672, 661669, 819590, 1085680, 1311344, 1323338, 1639180, 2646676, 3278360, 3308345, 5293352, 6556720, 6616690, 10586704, 13233380, 26466760, 27128429, 52933520, 54256858, 108513716, 135642145, 217027432, 271284290, 434054864, 542568580, 1085137160, 2170274320]

約数ペア:

[(1, 2170274320), (2, 1085137160), (4, 542568580), (5, 434054864), (8, 271284290), (10, 217027432), (16, 135642145), (20, 108513716), (40, 54256858), (41, 52933520), (80, 27128429), (82, 26466760), (164, 13233380), (205, 10586704), (328, 6616690), (331, 6556720), (410, 5293352), (656, 3308345), (662, 3278360), (820, 2646676), (1324, 1639180), (1640, 1323338), (1655, 1311344), (1999, 1085680), (2648, 819590), (3280, 661669), (3310, 655672), (3998, 542840), (5296, 409795), (6620, 327836), (7996, 271420), (9995, 217136), (13240, 163918), (13571, 159920), (15992, 135710), (19990, 108568), (26480, 81959), (27142, 79960), (31984, 67855), (39980, 54284)]