129179440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 325479168

約数和(自身を除く): 196299728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 260, 446, 520, 557, 892, 1040, 1114, 1115, 1784, 2228, 2230, 2785, 2899, 3568, 4456, 4460, 5570, 5798, 7241, 8912, 8920, 11140, 11596, 14482, 14495, 17840, 22280, 23192, 28964, 28990, 36205, 44560, 46384, 57928, 57980, 72410, 115856, 115960, 124211, 144820, 231920, 248422, 289640, 496844, 579280, 621055, 993688, 1242110, 1614743, 1987376, 2484220, 3229486, 4968440, 6458972, 8073715, 9936880, 12917944, 16147430, 25835888, 32294860, 64589720, 129179440]

約数ペア:

[(1, 129179440), (2, 64589720), (4, 32294860), (5, 25835888), (8, 16147430), (10, 12917944), (13, 9936880), (16, 8073715), (20, 6458972), (26, 4968440), (40, 3229486), (52, 2484220), (65, 1987376), (80, 1614743), (104, 1242110), (130, 993688), (208, 621055), (223, 579280), (260, 496844), (446, 289640), (520, 248422), (557, 231920), (892, 144820), (1040, 124211), (1114, 115960), (1115, 115856), (1784, 72410), (2228, 57980), (2230, 57928), (2785, 46384), (2899, 44560), (3568, 36205), (4456, 28990), (4460, 28964), (5570, 23192), (5798, 22280), (7241, 17840), (8912, 14495), (8920, 14482), (11140, 11596)]