72502420

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{7207}}^1$

素因数の和:7719

約数の個数: 24

約数和(自身を含む): 152578944

約数和(自身を除く): 80076524

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 7207, 10060, 14414, 28828, 36035, 72070, 144140, 3625121, 7250242, 14500484, 18125605, 36251210, 72502420]

約数ペア:

[(1, 72502420), (2, 36251210), (4, 18125605), (5, 14500484), (10, 7250242), (20, 3625121), (503, 144140), (1006, 72070), (2012, 36035), (2515, 28828), (5030, 14414), (7207, 10060)]