23215540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68281}}^1$

素因数の和:68307

約数の個数: 24

約数和(自身を含む): 51621192

約数和(自身を除く): 28405652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 68281, 136562, 273124, 341405, 682810, 1160777, 1365620, 2321554, 4643108, 5803885, 11607770, 23215540]

約数ペア:

[(1, 23215540), (2, 11607770), (4, 5803885), (5, 4643108), (10, 2321554), (17, 1365620), (20, 1160777), (34, 682810), (68, 341405), (85, 273124), (170, 136562), (340, 68281)]