31558960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 77495040

約数和(自身を除く): 45936080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 223, 232, 244, 290, 305, 446, 464, 488, 580, 610, 892, 976, 1115, 1160, 1220, 1769, 1784, 2230, 2320, 2440, 3538, 3568, 4460, 4880, 6467, 7076, 8845, 8920, 12934, 13603, 14152, 17690, 17840, 25868, 27206, 28304, 32335, 35380, 51736, 54412, 64670, 68015, 70760, 103472, 108824, 129340, 136030, 141520, 217648, 258680, 272060, 394487, 517360, 544120, 788974, 1088240, 1577948, 1972435, 3155896, 3944870, 6311792, 7889740, 15779480, 31558960]

約数ペア:

[(1, 31558960), (2, 15779480), (4, 7889740), (5, 6311792), (8, 3944870), (10, 3155896), (16, 1972435), (20, 1577948), (29, 1088240), (40, 788974), (58, 544120), (61, 517360), (80, 394487), (116, 272060), (122, 258680), (145, 217648), (223, 141520), (232, 136030), (244, 129340), (290, 108824), (305, 103472), (446, 70760), (464, 68015), (488, 64670), (580, 54412), (610, 51736), (892, 35380), (976, 32335), (1115, 28304), (1160, 27206), (1220, 25868), (1769, 17840), (1784, 17690), (2230, 14152), (2320, 13603), (2440, 12934), (3538, 8920), (3568, 8845), (4460, 7076), (4880, 6467)]