180061040

素因数分解:

$2^4\times 5^1\times {\mathrm{2250763}}^1$

素因数の和:2250776

約数の個数: 20

約数和(自身を含む): 418642104

約数和(自身を除く): 238581064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2250763, 4501526, 9003052, 11253815, 18006104, 22507630, 36012208, 45015260, 90030520, 180061040]

約数ペア:

[(1, 180061040), (2, 90030520), (4, 45015260), (5, 36012208), (8, 22507630), (10, 18006104), (16, 11253815), (20, 9003052), (40, 4501526), (80, 2250763)]