51442480

素因数分解:

$2^4\times 5^1\times {\mathrm{643031}}^1$

素因数の和:643044

約数の個数: 20

約数和(自身を含む): 119603952

約数和(自身を除く): 68161472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643031, 1286062, 2572124, 3215155, 5144248, 6430310, 10288496, 12860620, 25721240, 51442480]

約数ペア:

[(1, 51442480), (2, 25721240), (4, 12860620), (5, 10288496), (8, 6430310), (10, 5144248), (16, 3215155), (20, 2572124), (40, 1286062), (80, 643031)]