220202480

素因数分解:

$2^4\times 5^1\times {\mathrm{2752531}}^1$

素因数の和:2752544

約数の個数: 20

約数和(自身を含む): 511970952

約数和(自身を除く): 291768472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2752531, 5505062, 11010124, 13762655, 22020248, 27525310, 44040496, 55050620, 110101240, 220202480]

約数ペア:

[(1, 220202480), (2, 110101240), (4, 55050620), (5, 44040496), (8, 27525310), (10, 22020248), (16, 13762655), (20, 11010124), (40, 5505062), (80, 2752531)]