133544720

素因数分解:

$2^4\times 5^1\times {\mathrm{1669309}}^1$

素因数の和:1669322

約数の個数: 20

約数和(自身を含む): 310491660

約数和(自身を除く): 176946940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1669309, 3338618, 6677236, 8346545, 13354472, 16693090, 26708944, 33386180, 66772360, 133544720]

約数ペア:

[(1, 133544720), (2, 66772360), (4, 33386180), (5, 26708944), (8, 16693090), (10, 13354472), (16, 8346545), (20, 6677236), (40, 3338618), (80, 1669309)]