72346520

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2203}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 163051920

約数和(自身を除く): 90705400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2203, 3284, 4105, 4406, 6568, 8210, 8812, 11015, 16420, 17624, 22030, 32840, 44060, 88120, 1808663, 3617326, 7234652, 9043315, 14469304, 18086630, 36173260, 72346520]

約数ペア:

[(1, 72346520), (2, 36173260), (4, 18086630), (5, 14469304), (8, 9043315), (10, 7234652), (20, 3617326), (40, 1808663), (821, 88120), (1642, 44060), (2203, 32840), (3284, 22030), (4105, 17624), (4406, 16420), (6568, 11015), (8210, 8812)]