87375580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3253}}^1$

素因数の和:3358

約数の個数: 48

約数和(自身を含む): 196801920

約数和(自身を除く): 109426340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 3253, 5372, 6506, 6715, 13012, 13430, 16265, 26860, 32530, 55301, 65060, 110602, 221204, 256987, 276505, 513974, 553010, 1027948, 1106020, 1284935, 2569870, 4368779, 5139740, 8737558, 17475116, 21843895, 43687790, 87375580]

約数ペア:

[(1, 87375580), (2, 43687790), (4, 21843895), (5, 17475116), (10, 8737558), (17, 5139740), (20, 4368779), (34, 2569870), (68, 1284935), (79, 1106020), (85, 1027948), (158, 553010), (170, 513974), (316, 276505), (340, 256987), (395, 221204), (790, 110602), (1343, 65060), (1580, 55301), (2686, 32530), (3253, 26860), (5372, 16265), (6506, 13430), (6715, 13012)]