65177620

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{2003}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 137025504

約数和(自身を除く): 71847884

約数列:

[1, 2, 4, 5, 10, 20, 1627, 2003, 3254, 4006, 6508, 8012, 8135, 10015, 16270, 20030, 32540, 40060, 3258881, 6517762, 13035524, 16294405, 32588810, 65177620]

約数ペア:

[(1, 65177620), (2, 32588810), (4, 16294405), (5, 13035524), (10, 6517762), (20, 3258881), (1627, 40060), (2003, 32540), (3254, 20030), (4006, 16270), (6508, 10015), (8012, 8135)]