20125240

素因数分解:

$2^3\times 5^1\times {\mathrm{503131}}^1$

素因数の和:503142

約数の個数: 16

約数和(自身を含む): 45281880

約数和(自身を除く): 25156640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503131, 1006262, 2012524, 2515655, 4025048, 5031310, 10062620, 20125240]

約数ペア:

[(1, 20125240), (2, 10062620), (4, 5031310), (5, 4025048), (8, 2515655), (10, 2012524), (20, 1006262), (40, 503131)]