9967880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 25023600

約数和(自身を除く): 15055720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 661, 754, 1160, 1322, 1508, 1885, 2644, 3016, 3305, 3770, 5288, 6610, 7540, 8593, 13220, 15080, 17186, 19169, 26440, 34372, 38338, 42965, 68744, 76676, 85930, 95845, 153352, 171860, 191690, 249197, 343720, 383380, 498394, 766760, 996788, 1245985, 1993576, 2491970, 4983940, 9967880]

約数ペア:

[(1, 9967880), (2, 4983940), (4, 2491970), (5, 1993576), (8, 1245985), (10, 996788), (13, 766760), (20, 498394), (26, 383380), (29, 343720), (40, 249197), (52, 191690), (58, 171860), (65, 153352), (104, 95845), (116, 85930), (130, 76676), (145, 68744), (232, 42965), (260, 38338), (290, 34372), (377, 26440), (520, 19169), (580, 17186), (661, 15080), (754, 13220), (1160, 8593), (1322, 7540), (1508, 6610), (1885, 5288), (2644, 3770), (3016, 3305)]