139569680

素因数分解:

$2^4\times 5^1\times {\mathrm{1744621}}^1$

素因数の和:1744634

約数の個数: 20

約数和(自身を含む): 324499692

約数和(自身を除く): 184930012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1744621, 3489242, 6978484, 8723105, 13956968, 17446210, 27913936, 34892420, 69784840, 139569680]

約数ペア:

[(1, 139569680), (2, 69784840), (4, 34892420), (5, 27913936), (8, 17446210), (10, 13956968), (16, 8723105), (20, 6978484), (40, 3489242), (80, 1744621)]