55765840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 147881160

約数和(自身を除く): 92115320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 43, 52, 58, 65, 80, 86, 104, 116, 130, 145, 172, 208, 215, 232, 260, 290, 344, 377, 430, 464, 520, 559, 580, 688, 754, 860, 1040, 1118, 1160, 1247, 1508, 1720, 1849, 1885, 2236, 2320, 2494, 2795, 3016, 3440, 3698, 3770, 4472, 4988, 5590, 6032, 6235, 7396, 7540, 8944, 9245, 9976, 11180, 12470, 14792, 15080, 16211, 18490, 19952, 22360, 24037, 24940, 29584, 30160, 32422, 36980, 44720, 48074, 49880, 53621, 64844, 73960, 81055, 96148, 99760, 107242, 120185, 129688, 147920, 162110, 192296, 214484, 240370, 259376, 268105, 324220, 384592, 428968, 480740, 536210, 648440, 697073, 857936, 961480, 1072420, 1296880, 1394146, 1922960, 2144840, 2788292, 3485365, 4289680, 5576584, 6970730, 11153168, 13941460, 27882920, 55765840]

約数ペア:

[(1, 55765840), (2, 27882920), (4, 13941460), (5, 11153168), (8, 6970730), (10, 5576584), (13, 4289680), (16, 3485365), (20, 2788292), (26, 2144840), (29, 1922960), (40, 1394146), (43, 1296880), (52, 1072420), (58, 961480), (65, 857936), (80, 697073), (86, 648440), (104, 536210), (116, 480740), (130, 428968), (145, 384592), (172, 324220), (208, 268105), (215, 259376), (232, 240370), (260, 214484), (290, 192296), (344, 162110), (377, 147920), (430, 129688), (464, 120185), (520, 107242), (559, 99760), (580, 96148), (688, 81055), (754, 73960), (860, 64844), (1040, 53621), (1118, 49880), (1160, 48074), (1247, 44720), (1508, 36980), (1720, 32422), (1849, 30160), (1885, 29584), (2236, 24940), (2320, 24037), (2494, 22360), (2795, 19952), (3016, 18490), (3440, 16211), (3698, 15080), (3770, 14792), (4472, 12470), (4988, 11180), (5590, 9976), (6032, 9245), (6235, 8944), (7396, 7540)]