51893680

素因数分解:

$2^4\times 5^1\times {\mathrm{648671}}^1$

素因数の和:648684

約数の個数: 20

約数和(自身を含む): 120652992

約数和(自身を除く): 68759312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648671, 1297342, 2594684, 3243355, 5189368, 6486710, 10378736, 12973420, 25946840, 51893680]

約数ペア:

[(1, 51893680), (2, 25946840), (4, 12973420), (5, 10378736), (8, 6486710), (10, 5189368), (16, 3243355), (20, 2594684), (40, 1297342), (80, 648671)]