7485020

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1381}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 15787968

約数和(自身を除く): 8302948

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 1381, 2710, 2762, 5420, 5524, 6905, 13810, 27620, 374251, 748502, 1497004, 1871255, 3742510, 7485020]

約数ペア:

[(1, 7485020), (2, 3742510), (4, 1871255), (5, 1497004), (10, 748502), (20, 374251), (271, 27620), (542, 13810), (1084, 6905), (1355, 5524), (1381, 5420), (2710, 2762)]