31772240

素因数分解:

$2^4\times 5^1\times {\mathrm{397153}}^1$

素因数の和:397166

約数の個数: 20

約数和(自身を含む): 73870644

約数和(自身を除く): 42098404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397153, 794306, 1588612, 1985765, 3177224, 3971530, 6354448, 7943060, 15886120, 31772240]

約数ペア:

[(1, 31772240), (2, 15886120), (4, 7943060), (5, 6354448), (8, 3971530), (10, 3177224), (16, 1985765), (20, 1588612), (40, 794306), (80, 397153)]