251219020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{966227}}^1$

素因数の和:966249

約数の個数: 24

約数和(自身を含む): 568142064

約数和(自身を除く): 316923044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 966227, 1932454, 3864908, 4831135, 9662270, 12560951, 19324540, 25121902, 50243804, 62804755, 125609510, 251219020]

約数ペア:

[(1, 251219020), (2, 125609510), (4, 62804755), (5, 50243804), (10, 25121902), (13, 19324540), (20, 12560951), (26, 9662270), (52, 4831135), (65, 3864908), (130, 1932454), (260, 966227)]