72389440

素因数分解:

$2^6\times 5^1\times {\mathrm{226217}}^1$

素因数の和:226234

約数の個数: 28

約数和(自身を含む): 172378116

約数和(自身を除く): 99988676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 226217, 452434, 904868, 1131085, 1809736, 2262170, 3619472, 4524340, 7238944, 9048680, 14477888, 18097360, 36194720, 72389440]

約数ペア:

[(1, 72389440), (2, 36194720), (4, 18097360), (5, 14477888), (8, 9048680), (10, 7238944), (16, 4524340), (20, 3619472), (32, 2262170), (40, 1809736), (64, 1131085), (80, 904868), (160, 452434), (320, 226217)]