72097040

素因数分解:

$2^4\times 5^1\times {\mathrm{901213}}^1$

素因数の和:901226

約数の個数: 20

約数和(自身を含む): 167625804

約数和(自身を除く): 95528764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 901213, 1802426, 3604852, 4506065, 7209704, 9012130, 14419408, 18024260, 36048520, 72097040]

約数ペア:

[(1, 72097040), (2, 36048520), (4, 18024260), (5, 14419408), (8, 9012130), (10, 7209704), (16, 4506065), (20, 3604852), (40, 1802426), (80, 901213)]