201210920

素因数分解:

$2^3\times 5^1\times {\mathrm{5030273}}^1$

素因数の和:5030284

約数の個数: 16

約数和(自身を含む): 452724660

約数和(自身を除く): 251513740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030273, 10060546, 20121092, 25151365, 40242184, 50302730, 100605460, 201210920]

約数ペア:

[(1, 201210920), (2, 100605460), (4, 50302730), (5, 40242184), (8, 25151365), (10, 20121092), (20, 10060546), (40, 5030273)]