87749920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32261}}^1$

素因数の和:32293

約数の個数: 48

約数和(自身を含む): 219510648

約数和(自身を除く): 131760728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 32261, 64522, 129044, 161305, 258088, 322610, 516176, 548437, 645220, 1032352, 1096874, 1290440, 2193748, 2580880, 2742185, 4387496, 5161760, 5484370, 8774992, 10968740, 17549984, 21937480, 43874960, 87749920]

約数ペア:

[(1, 87749920), (2, 43874960), (4, 21937480), (5, 17549984), (8, 10968740), (10, 8774992), (16, 5484370), (17, 5161760), (20, 4387496), (32, 2742185), (34, 2580880), (40, 2193748), (68, 1290440), (80, 1096874), (85, 1032352), (136, 645220), (160, 548437), (170, 516176), (272, 322610), (340, 258088), (544, 161305), (680, 129044), (1360, 64522), (2720, 32261)]