87965980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{38923}}^1$

素因数の和:39045

約数の個数: 24

約数和(自身を含む): 186368112

約数和(自身を除く): 98402132

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 38923, 77846, 155692, 194615, 389230, 778460, 4398299, 8796598, 17593196, 21991495, 43982990, 87965980]

約数ペア:

[(1, 87965980), (2, 43982990), (4, 21991495), (5, 17593196), (10, 8796598), (20, 4398299), (113, 778460), (226, 389230), (452, 194615), (565, 155692), (1130, 77846), (2260, 38923)]