31679840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 83553120

約数和(自身を除く): 51873280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 613, 646, 680, 760, 1226, 1292, 1360, 1520, 1615, 2452, 2584, 2720, 3040, 3065, 3230, 4904, 5168, 6130, 6460, 9808, 10336, 10421, 11647, 12260, 12920, 19616, 20842, 23294, 24520, 25840, 41684, 46588, 49040, 51680, 52105, 58235, 83368, 93176, 98080, 104210, 116470, 166736, 186352, 197999, 208420, 232940, 333472, 372704, 395998, 416840, 465880, 791996, 833680, 931760, 989995, 1583992, 1667360, 1863520, 1979990, 3167984, 3959980, 6335968, 7919960, 15839920, 31679840]

約数ペア:

[(1, 31679840), (2, 15839920), (4, 7919960), (5, 6335968), (8, 3959980), (10, 3167984), (16, 1979990), (17, 1863520), (19, 1667360), (20, 1583992), (32, 989995), (34, 931760), (38, 833680), (40, 791996), (68, 465880), (76, 416840), (80, 395998), (85, 372704), (95, 333472), (136, 232940), (152, 208420), (160, 197999), (170, 186352), (190, 166736), (272, 116470), (304, 104210), (323, 98080), (340, 93176), (380, 83368), (544, 58235), (608, 52105), (613, 51680), (646, 49040), (680, 46588), (760, 41684), (1226, 25840), (1292, 24520), (1360, 23294), (1520, 20842), (1615, 19616), (2452, 12920), (2584, 12260), (2720, 11647), (3040, 10421), (3065, 10336), (3230, 9808), (4904, 6460), (5168, 6130)]