4065680

素因数分解:

$2^4\times 5^1\times {\mathrm{50821}}^1$

素因数の和:50834

約数の個数: 20

約数和(自身を含む): 9452892

約数和(自身を除く): 5387212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50821, 101642, 203284, 254105, 406568, 508210, 813136, 1016420, 2032840, 4065680]

約数ペア:

[(1, 4065680), (2, 2032840), (4, 1016420), (5, 813136), (8, 508210), (10, 406568), (16, 254105), (20, 203284), (40, 101642), (80, 50821)]