38428620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640477}}^1$

素因数の和:640489

約数の個数: 24

約数和(自身を含む): 107600304

約数和(自身を除く): 69171684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640477, 1280954, 1921431, 2561908, 3202385, 3842862, 6404770, 7685724, 9607155, 12809540, 19214310, 38428620]

約数ペア:

[(1, 38428620), (2, 19214310), (3, 12809540), (4, 9607155), (5, 7685724), (6, 6404770), (10, 3842862), (12, 3202385), (15, 2561908), (20, 1921431), (30, 1280954), (60, 640477)]