65016760

素因数分解:

$2^3\times 5^1\times {\mathrm{1625419}}^1$

素因数の和:1625430

約数の個数: 16

約数和(自身を含む): 146287800

約数和(自身を除く): 81271040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1625419, 3250838, 6501676, 8127095, 13003352, 16254190, 32508380, 65016760]

約数ペア:

[(1, 65016760), (2, 32508380), (4, 16254190), (5, 13003352), (8, 8127095), (10, 6501676), (20, 3250838), (40, 1625419)]