4025680

素因数分解:

$2^4\times 5^1\times {\mathrm{50321}}^1$

素因数の和:50334

約数の個数: 20

約数和(自身を含む): 9359892

約数和(自身を除く): 5334212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50321, 100642, 201284, 251605, 402568, 503210, 805136, 1006420, 2012840, 4025680]

約数ペア:

[(1, 4025680), (2, 2012840), (4, 1006420), (5, 805136), (8, 503210), (10, 402568), (16, 251605), (20, 201284), (40, 100642), (80, 50321)]