20154080

素因数分解:

$2^5\times 5^1\times {\mathrm{125963}}^1$

素因数の和:125978

約数の個数: 24

約数和(自身を含む): 47614392

約数和(自身を除く): 27460312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125963, 251926, 503852, 629815, 1007704, 1259630, 2015408, 2519260, 4030816, 5038520, 10077040, 20154080]

約数ペア:

[(1, 20154080), (2, 10077040), (4, 5038520), (5, 4030816), (8, 2519260), (10, 2015408), (16, 1259630), (20, 1007704), (32, 629815), (40, 503852), (80, 251926), (160, 125963)]