20121032440

素因数分解:

$2^3\times 5^1\times {\mathrm{503025811}}^1$

素因数の和:503025822

約数の個数: 16

約数和(自身を含む): 45272323080

約数和(自身を除く): 25151290640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503025811, 1006051622, 2012103244, 2515129055, 4024206488, 5030258110, 10060516220, 20121032440]

約数ペア:

[(1, 20121032440), (2, 10060516220), (4, 5030258110), (5, 4024206488), (8, 2515129055), (10, 2012103244), (20, 1006051622), (40, 503025811)]