22490480

素因数分解:

$2^4\times 5^1\times {\mathrm{281131}}^1$

素因数の和:281144

約数の個数: 20

約数和(自身を含む): 52290552

約数和(自身を除く): 29800072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281131, 562262, 1124524, 1405655, 2249048, 2811310, 4498096, 5622620, 11245240, 22490480]

約数ペア:

[(1, 22490480), (2, 11245240), (4, 5622620), (5, 4498096), (8, 2811310), (10, 2249048), (16, 1405655), (20, 1124524), (40, 562262), (80, 281131)]