19800256175

素因数分解:

$5^2\times 7^1\times {\mathrm{113144321}}^1$

素因数の和:113144338

約数の個数: 12

約数和(自身を含む): 28059791856

約数和(自身を除く): 8259535681

約数列:

[1, 5, 7, 25, 35, 175, 113144321, 565721605, 792010247, 2828608025, 3960051235, 19800256175]

約数ペア:

[(1, 19800256175), (5, 3960051235), (7, 2828608025), (25, 792010247), (35, 565721605), (175, 113144321)]