919491640

素因数分解:

$2^3\times 5^1\times {\mathrm{22987291}}^1$

素因数の和:22987302

約数の個数: 16

約数和(自身を含む): 2068856280

約数和(自身を除く): 1149364640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22987291, 45974582, 91949164, 114936455, 183898328, 229872910, 459745820, 919491640]

約数ペア:

[(1, 919491640), (2, 459745820), (4, 229872910), (5, 183898328), (8, 114936455), (10, 91949164), (20, 45974582), (40, 22987291)]