87839740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{141677}}^1$

素因数の和:141717

約数の個数: 24

約数和(自身を含む): 190415232

約数和(自身を除く): 102575492

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 141677, 283354, 566708, 708385, 1416770, 2833540, 4391987, 8783974, 17567948, 21959935, 43919870, 87839740]

約数ペア:

[(1, 87839740), (2, 43919870), (4, 21959935), (5, 17567948), (10, 8783974), (20, 4391987), (31, 2833540), (62, 1416770), (124, 708385), (155, 566708), (310, 283354), (620, 141677)]