2081680

素因数分解:

$2^4\times 5^1\times {\mathrm{26021}}^1$

素因数の和:26034

約数の個数: 20

約数和(自身を含む): 4840092

約数和(自身を除く): 2758412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26021, 52042, 104084, 130105, 208168, 260210, 416336, 520420, 1040840, 2081680]

約数ペア:

[(1, 2081680), (2, 1040840), (4, 520420), (5, 416336), (8, 260210), (10, 208168), (16, 130105), (20, 104084), (40, 52042), (80, 26021)]