20482480

素因数分解:

$2^4\times 5^1\times {\mathrm{256031}}^1$

素因数の和:256044

約数の個数: 20

約数和(自身を含む): 47621952

約数和(自身を除く): 27139472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 256031, 512062, 1024124, 1280155, 2048248, 2560310, 4096496, 5120620, 10241240, 20482480]

約数ペア:

[(1, 20482480), (2, 10241240), (4, 5120620), (5, 4096496), (8, 2560310), (10, 2048248), (16, 1280155), (20, 1024124), (40, 512062), (80, 256031)]