21926480

素因数分解:

$2^4\times 5^1\times {\mathrm{274081}}^1$

素因数の和:274094

約数の個数: 20

約数和(自身を含む): 50979252

約数和(自身を除く): 29052772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 274081, 548162, 1096324, 1370405, 2192648, 2740810, 4385296, 5481620, 10963240, 21926480]

約数ペア:

[(1, 21926480), (2, 10963240), (4, 5481620), (5, 4385296), (8, 2740810), (10, 2192648), (16, 1370405), (20, 1096324), (40, 548162), (80, 274081)]