72770440

素因数分解:

$2^3\times 5^1\times {\mathrm{1819261}}^1$

素因数の和:1819272

約数の個数: 16

約数和(自身を含む): 163733580

約数和(自身を除く): 90963140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1819261, 3638522, 7277044, 9096305, 14554088, 18192610, 36385220, 72770440]

約数ペア:

[(1, 72770440), (2, 36385220), (4, 18192610), (5, 14554088), (8, 9096305), (10, 7277044), (20, 3638522), (40, 1819261)]