179967740

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{6781}}^1$

素因数の和:8117

約数の個数: 24

約数和(自身を含む): 378272832

約数和(自身を除く): 198305092

約数列:

[1, 2, 4, 5, 10, 20, 1327, 2654, 5308, 6635, 6781, 13270, 13562, 26540, 27124, 33905, 67810, 135620, 8998387, 17996774, 35993548, 44991935, 89983870, 179967740]

約数ペア:

[(1, 179967740), (2, 89983870), (4, 44991935), (5, 35993548), (10, 17996774), (20, 8998387), (1327, 135620), (2654, 67810), (5308, 33905), (6635, 27124), (6781, 26540), (13270, 13562)]