71149040

素因数分解:

$2^4\times 5^1\times {\mathrm{889363}}^1$

素因数の和:889376

約数の個数: 20

約数和(自身を含む): 165421704

約数和(自身を除く): 94272664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889363, 1778726, 3557452, 4446815, 7114904, 8893630, 14229808, 17787260, 35574520, 71149040]

約数ペア:

[(1, 71149040), (2, 35574520), (4, 17787260), (5, 14229808), (8, 8893630), (10, 7114904), (16, 4446815), (20, 3557452), (40, 1778726), (80, 889363)]