31948240

素因数分解:

$2^4\times 5^1\times {\mathrm{399353}}^1$

素因数の和:399366

約数の個数: 20

約数和(自身を含む): 74279844

約数和(自身を除く): 42331604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399353, 798706, 1597412, 1996765, 3194824, 3993530, 6389648, 7987060, 15974120, 31948240]

約数ペア:

[(1, 31948240), (2, 15974120), (4, 7987060), (5, 6389648), (8, 3993530), (10, 3194824), (16, 1996765), (20, 1597412), (40, 798706), (80, 399353)]