7917220

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 16680384

約数和(自身を除く): 8763164

約数列:

[1, 2, 4, 5, 10, 20, 503, 787, 1006, 1574, 2012, 2515, 3148, 3935, 5030, 7870, 10060, 15740, 395861, 791722, 1583444, 1979305, 3958610, 7917220]

約数ペア:

[(1, 7917220), (2, 3958610), (4, 1979305), (5, 1583444), (10, 791722), (20, 395861), (503, 15740), (787, 10060), (1006, 7870), (1574, 5030), (2012, 3935), (2515, 3148)]