80499710

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{15451}}^1$

素因数の和:15979

約数の個数: 16

約数和(自身を含む): 145186992

約数和(自身を除く): 64687282

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 15451, 30902, 77255, 154510, 8049971, 16099942, 40249855, 80499710]

約数ペア:

[(1, 80499710), (2, 40249855), (5, 16099942), (10, 8049971), (521, 154510), (1042, 77255), (2605, 30902), (5210, 15451)]