31141240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59887}}^1$

素因数の和:59911

約数の個数: 32

約数和(自身を含む): 75458880

約数和(自身を除く): 44317640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59887, 119774, 239548, 299435, 479096, 598870, 778531, 1197740, 1557062, 2395480, 3114124, 3892655, 6228248, 7785310, 15570620, 31141240]

約数ペア:

[(1, 31141240), (2, 15570620), (4, 7785310), (5, 6228248), (8, 3892655), (10, 3114124), (13, 2395480), (20, 1557062), (26, 1197740), (40, 778531), (52, 598870), (65, 479096), (104, 299435), (130, 239548), (260, 119774), (520, 59887)]