99278320

素因数分解:

$2^4\times 5^1\times {\mathrm{1240979}}^1$

素因数の和:1240992

約数の個数: 20

約数和(自身を含む): 230822280

約数和(自身を除く): 131543960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1240979, 2481958, 4963916, 6204895, 9927832, 12409790, 19855664, 24819580, 49639160, 99278320]

約数ペア:

[(1, 99278320), (2, 49639160), (4, 24819580), (5, 19855664), (8, 12409790), (10, 9927832), (16, 6204895), (20, 4963916), (40, 2481958), (80, 1240979)]