51472280

素因数分解:

$2^3\times 5^1\times {\mathrm{1286807}}^1$

素因数の和:1286818

約数の個数: 16

約数和(自身を含む): 115812720

約数和(自身を除く): 64340440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1286807, 2573614, 5147228, 6434035, 10294456, 12868070, 25736140, 51472280]

約数ペア:

[(1, 51472280), (2, 25736140), (4, 12868070), (5, 10294456), (8, 6434035), (10, 5147228), (20, 2573614), (40, 1286807)]