253648280

素因数分解:

$2^3\times 5^1\times {\mathrm{6341207}}^1$

素因数の和:6341218

約数の個数: 16

約数和(自身を含む): 570708720

約数和(自身を除く): 317060440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6341207, 12682414, 25364828, 31706035, 50729656, 63412070, 126824140, 253648280]

約数ペア:

[(1, 253648280), (2, 126824140), (4, 63412070), (5, 50729656), (8, 31706035), (10, 25364828), (20, 12682414), (40, 6341207)]