387621040

素因数分解:

$2^4\times 5^1\times {\mathrm{4845263}}^1$

素因数の和:4845276

約数の個数: 20

約数和(自身を含む): 901219104

約数和(自身を除く): 513598064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4845263, 9690526, 19381052, 24226315, 38762104, 48452630, 77524208, 96905260, 193810520, 387621040]

約数ペア:

[(1, 387621040), (2, 193810520), (4, 96905260), (5, 77524208), (8, 48452630), (10, 38762104), (16, 24226315), (20, 19381052), (40, 9690526), (80, 4845263)]