88709920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42649}}^1$

素因数の和:42677

約数の個数: 48

約数和(自身を含む): 225703800

約数和(自身を除く): 136993880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 42649, 85298, 170596, 213245, 341192, 426490, 554437, 682384, 852980, 1108874, 1364768, 1705960, 2217748, 2772185, 3411920, 4435496, 5544370, 6823840, 8870992, 11088740, 17741984, 22177480, 44354960, 88709920]

約数ペア:

[(1, 88709920), (2, 44354960), (4, 22177480), (5, 17741984), (8, 11088740), (10, 8870992), (13, 6823840), (16, 5544370), (20, 4435496), (26, 3411920), (32, 2772185), (40, 2217748), (52, 1705960), (65, 1364768), (80, 1108874), (104, 852980), (130, 682384), (160, 554437), (208, 426490), (260, 341192), (416, 213245), (520, 170596), (1040, 85298), (2080, 42649)]