80840540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367457}}^1$

素因数の和:367477

約数の個数: 24

約数和(自身を含む): 185198832

約数和(自身を除く): 104358292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367457, 734914, 1469828, 1837285, 3674570, 4042027, 7349140, 8084054, 16168108, 20210135, 40420270, 80840540]

約数ペア:

[(1, 80840540), (2, 40420270), (4, 20210135), (5, 16168108), (10, 8084054), (11, 7349140), (20, 4042027), (22, 3674570), (44, 1837285), (55, 1469828), (110, 734914), (220, 367457)]