87471980

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{4987}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 183937488

約数和(自身を除く): 96465508

約数列:

[1, 2, 4, 5, 10, 20, 877, 1754, 3508, 4385, 4987, 8770, 9974, 17540, 19948, 24935, 49870, 99740, 4373599, 8747198, 17494396, 21867995, 43735990, 87471980]

約数ペア:

[(1, 87471980), (2, 43735990), (4, 21867995), (5, 17494396), (10, 8747198), (20, 4373599), (877, 99740), (1754, 49870), (3508, 24935), (4385, 19948), (4987, 17540), (8770, 9974)]