258800480

素因数分解:

$2^5\times 5^1\times {\mathrm{1617503}}^1$

素因数の和:1617518

約数の個数: 24

約数和(自身を含む): 611416512

約数和(自身を除く): 352616032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1617503, 3235006, 6470012, 8087515, 12940024, 16175030, 25880048, 32350060, 51760096, 64700120, 129400240, 258800480]

約数ペア:

[(1, 258800480), (2, 129400240), (4, 64700120), (5, 51760096), (8, 32350060), (10, 25880048), (16, 16175030), (20, 12940024), (32, 8087515), (40, 6470012), (80, 3235006), (160, 1617503)]