87116980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26723}}^1$

素因数の和:26895

約数の個数: 24

約数和(自身を含む): 184074912

約数和(自身を除く): 96957932

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 26723, 53446, 106892, 133615, 267230, 534460, 4355849, 8711698, 17423396, 21779245, 43558490, 87116980]

約数ペア:

[(1, 87116980), (2, 43558490), (4, 21779245), (5, 17423396), (10, 8711698), (20, 4355849), (163, 534460), (326, 267230), (652, 133615), (815, 106892), (1630, 53446), (3260, 26723)]