80866960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 201455856

約数和(自身を除く): 120588896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 613, 680, 776, 970, 1226, 1360, 1552, 1649, 1940, 2452, 3065, 3298, 3880, 4904, 6130, 6596, 7760, 8245, 9808, 10421, 12260, 13192, 16490, 20842, 24520, 26384, 32980, 41684, 49040, 52105, 59461, 65960, 83368, 104210, 118922, 131920, 166736, 208420, 237844, 297305, 416840, 475688, 594610, 833680, 951376, 1010837, 1189220, 2021674, 2378440, 4043348, 4756880, 5054185, 8086696, 10108370, 16173392, 20216740, 40433480, 80866960]

約数ペア:

[(1, 80866960), (2, 40433480), (4, 20216740), (5, 16173392), (8, 10108370), (10, 8086696), (16, 5054185), (17, 4756880), (20, 4043348), (34, 2378440), (40, 2021674), (68, 1189220), (80, 1010837), (85, 951376), (97, 833680), (136, 594610), (170, 475688), (194, 416840), (272, 297305), (340, 237844), (388, 208420), (485, 166736), (613, 131920), (680, 118922), (776, 104210), (970, 83368), (1226, 65960), (1360, 59461), (1552, 52105), (1649, 49040), (1940, 41684), (2452, 32980), (3065, 26384), (3298, 24520), (3880, 20842), (4904, 16490), (6130, 13192), (6596, 12260), (7760, 10421), (8245, 9808)]