490625020

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{37567}}^1$

素因数の和:38229

約数の個数: 24

約数和(自身を含む): 1031917824

約数和(自身を除く): 541292804

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 37567, 75134, 150268, 187835, 375670, 751340, 24531251, 49062502, 98125004, 122656255, 245312510, 490625020]

約数ペア:

[(1, 490625020), (2, 245312510), (4, 122656255), (5, 98125004), (10, 49062502), (20, 24531251), (653, 751340), (1306, 375670), (2612, 187835), (3265, 150268), (6530, 75134), (13060, 37567)]