55428880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 139991040

約数和(自身を除く): 84562160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 239, 260, 446, 478, 520, 892, 956, 1040, 1115, 1195, 1784, 1912, 2230, 2390, 2899, 3107, 3568, 3824, 4460, 4780, 5798, 6214, 8920, 9560, 11596, 12428, 14495, 15535, 17840, 19120, 23192, 24856, 28990, 31070, 46384, 49712, 53297, 57980, 62140, 106594, 115960, 124280, 213188, 231920, 248560, 266485, 426376, 532970, 692861, 852752, 1065940, 1385722, 2131880, 2771444, 3464305, 4263760, 5542888, 6928610, 11085776, 13857220, 27714440, 55428880]

約数ペア:

[(1, 55428880), (2, 27714440), (4, 13857220), (5, 11085776), (8, 6928610), (10, 5542888), (13, 4263760), (16, 3464305), (20, 2771444), (26, 2131880), (40, 1385722), (52, 1065940), (65, 852752), (80, 692861), (104, 532970), (130, 426376), (208, 266485), (223, 248560), (239, 231920), (260, 213188), (446, 124280), (478, 115960), (520, 106594), (892, 62140), (956, 57980), (1040, 53297), (1115, 49712), (1195, 46384), (1784, 31070), (1912, 28990), (2230, 24856), (2390, 23192), (2899, 19120), (3107, 17840), (3568, 15535), (3824, 14495), (4460, 12428), (4780, 11596), (5798, 9560), (6214, 8920)]