208042480

素因数分解:

$2^4\times 5^1\times {\mathrm{2600531}}^1$

素因数の和:2600544

約数の個数: 20

約数和(自身を含む): 483698952

約数和(自身を除く): 275656472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600531, 5201062, 10402124, 13002655, 20804248, 26005310, 41608496, 52010620, 104021240, 208042480]

約数ペア:

[(1, 208042480), (2, 104021240), (4, 52010620), (5, 41608496), (8, 26005310), (10, 20804248), (16, 13002655), (20, 10402124), (40, 5201062), (80, 2600531)]