51687431380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{403241}}^1$

素因数の和:403309

約数の個数: 96

約数和(自身を含む): 128037399840

約数和(自身を除く): 76349968460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 442, 493, 580, 754, 884, 986, 1105, 1508, 1885, 1972, 2210, 2465, 3770, 4420, 4930, 6409, 7540, 9860, 12818, 25636, 32045, 64090, 128180, 403241, 806482, 1612964, 2016205, 4032410, 5242133, 6855097, 8064820, 10484266, 11693989, 13710194, 20968532, 23387978, 26210665, 27420388, 34275485, 46775956, 52421330, 58469945, 68550970, 89116261, 104842660, 116939890, 137101940, 152021857, 178232522, 198797813, 233879780, 304043714, 356465044, 397595626, 445581305, 608087428, 760109285, 795191252, 891162610, 993989065, 1520218570, 1782325220, 1987978130, 2584371569, 3040437140, 3975956260, 5168743138, 10337486276, 12921857845, 25843715690, 51687431380]

約数ペア:

[(1, 51687431380), (2, 25843715690), (4, 12921857845), (5, 10337486276), (10, 5168743138), (13, 3975956260), (17, 3040437140), (20, 2584371569), (26, 1987978130), (29, 1782325220), (34, 1520218570), (52, 993989065), (58, 891162610), (65, 795191252), (68, 760109285), (85, 608087428), (116, 445581305), (130, 397595626), (145, 356465044), (170, 304043714), (221, 233879780), (260, 198797813), (290, 178232522), (340, 152021857), (377, 137101940), (442, 116939890), (493, 104842660), (580, 89116261), (754, 68550970), (884, 58469945), (986, 52421330), (1105, 46775956), (1508, 34275485), (1885, 27420388), (1972, 26210665), (2210, 23387978), (2465, 20968532), (3770, 13710194), (4420, 11693989), (4930, 10484266), (6409, 8064820), (7540, 6855097), (9860, 5242133), (12818, 4032410), (25636, 2016205), (32045, 1612964), (64090, 806482), (128180, 403241)]