64425890

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{12911}}^1$

素因数の和:13417

約数の個数: 16

約数和(自身を含む): 116208000

約数和(自身を除く): 51782110

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 12911, 25822, 64555, 129110, 6442589, 12885178, 32212945, 64425890]

約数ペア:

[(1, 64425890), (2, 32212945), (5, 12885178), (10, 6442589), (499, 129110), (998, 64555), (2495, 25822), (4990, 12911)]