39405020

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3917}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 82936224

約数和(自身を除く): 43531204

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 3917, 5030, 7834, 10060, 15668, 19585, 39170, 78340, 1970251, 3940502, 7881004, 9851255, 19702510, 39405020]

約数ペア:

[(1, 39405020), (2, 19702510), (4, 9851255), (5, 7881004), (10, 3940502), (20, 1970251), (503, 78340), (1006, 39170), (2012, 19585), (2515, 15668), (3917, 10060), (5030, 7834)]