31340240

素因数分解:

$2^4\times 5^1\times {\mathrm{391753}}^1$

素因数の和:391766

約数の個数: 20

約数和(自身を含む): 72866244

約数和(自身を除く): 41526004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 391753, 783506, 1567012, 1958765, 3134024, 3917530, 6268048, 7835060, 15670120, 31340240]

約数ペア:

[(1, 31340240), (2, 15670120), (4, 7835060), (5, 6268048), (8, 3917530), (10, 3134024), (16, 1958765), (20, 1567012), (40, 783506), (80, 391753)]