181827440

素因数分解:

$2^4\times 5^1\times {\mathrm{2272843}}^1$

素因数の和:2272856

約数の個数: 20

約数和(自身を含む): 422748984

約数和(自身を除く): 240921544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2272843, 4545686, 9091372, 11364215, 18182744, 22728430, 36365488, 45456860, 90913720, 181827440]

約数ペア:

[(1, 181827440), (2, 90913720), (4, 45456860), (5, 36365488), (8, 22728430), (10, 18182744), (16, 11364215), (20, 9091372), (40, 4545686), (80, 2272843)]