72904820

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{7247}}^1$

素因数の和:7759

約数の個数: 24

約数和(自身を含む): 153425664

約数和(自身を除く): 80520844

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 7247, 10060, 14494, 28988, 36235, 72470, 144940, 3645241, 7290482, 14580964, 18226205, 36452410, 72904820]

約数ペア:

[(1, 72904820), (2, 36452410), (4, 18226205), (5, 14580964), (10, 7290482), (20, 3645241), (503, 144940), (1006, 72470), (2012, 36235), (2515, 28988), (5030, 14494), (7247, 10060)]