40513406980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22760341}}^1$

素因数の和:22760439

約数の個数: 24

約数和(自身を含む): 86034092760

約数和(自身を除く): 45520685780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 22760341, 45520682, 91041364, 113801705, 227603410, 455206820, 2025670349, 4051340698, 8102681396, 10128351745, 20256703490, 40513406980]

約数ペア:

[(1, 40513406980), (2, 20256703490), (4, 10128351745), (5, 8102681396), (10, 4051340698), (20, 2025670349), (89, 455206820), (178, 227603410), (356, 113801705), (445, 91041364), (890, 45520682), (1780, 22760341)]