89865980

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8933}}^1$

素因数の和:9445

約数の個数: 24

約数和(自身を含む): 189114912

約数和(自身を除く): 99248932

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 8933, 10060, 17866, 35732, 44665, 89330, 178660, 4493299, 8986598, 17973196, 22466495, 44932990, 89865980]

約数ペア:

[(1, 89865980), (2, 44932990), (4, 22466495), (5, 17973196), (10, 8986598), (20, 4493299), (503, 178660), (1006, 89330), (2012, 44665), (2515, 35732), (5030, 17866), (8933, 10060)]