72913820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520813}}^1$

素因数の和:520829

約数の個数: 24

約数和(自身を含む): 174993504

約数和(自身を除く): 102079684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520813, 1041626, 2083252, 2604065, 3645691, 5208130, 7291382, 10416260, 14582764, 18228455, 36456910, 72913820]

約数ペア:

[(1, 72913820), (2, 36456910), (4, 18228455), (5, 14582764), (7, 10416260), (10, 7291382), (14, 5208130), (20, 3645691), (28, 2604065), (35, 2083252), (70, 1041626), (140, 520813)]