53217040

素因数分解:

$2^4\times 5^1\times {\mathrm{665213}}^1$

素因数の和:665226

約数の個数: 20

約数和(自身を含む): 123729804

約数和(自身を除く): 70512764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 665213, 1330426, 2660852, 3326065, 5321704, 6652130, 10643408, 13304260, 26608520, 53217040]

約数ペア:

[(1, 53217040), (2, 26608520), (4, 13304260), (5, 10643408), (8, 6652130), (10, 5321704), (16, 3326065), (20, 2660852), (40, 1330426), (80, 665213)]