132391120

素因数分解:

$2^4\times 5^1\times {\mathrm{1654889}}^1$

素因数の和:1654902

約数の個数: 20

約数和(自身を含む): 307809540

約数和(自身を除く): 175418420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1654889, 3309778, 6619556, 8274445, 13239112, 16548890, 26478224, 33097780, 66195560, 132391120]

約数ペア:

[(1, 132391120), (2, 66195560), (4, 33097780), (5, 26478224), (8, 16548890), (10, 13239112), (16, 8274445), (20, 6619556), (40, 3309778), (80, 1654889)]