61728280

素因数分解:

$2^3\times 5^1\times {\mathrm{1543207}}^1$

素因数の和:1543218

約数の個数: 16

約数和(自身を含む): 138888720

約数和(自身を除く): 77160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543207, 3086414, 6172828, 7716035, 12345656, 15432070, 30864140, 61728280]

約数ペア:

[(1, 61728280), (2, 30864140), (4, 15432070), (5, 12345656), (8, 7716035), (10, 6172828), (20, 3086414), (40, 1543207)]