217922480

素因数分解:

$2^4\times 5^1\times {\mathrm{2724031}}^1$

素因数の和:2724044

約数の個数: 20

約数和(自身を含む): 506669952

約数和(自身を除く): 288747472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2724031, 5448062, 10896124, 13620155, 21792248, 27240310, 43584496, 54480620, 108961240, 217922480]

約数ペア:

[(1, 217922480), (2, 108961240), (4, 54480620), (5, 43584496), (8, 27240310), (10, 21792248), (16, 13620155), (20, 10896124), (40, 5448062), (80, 2724031)]