64376180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15401}}^1$

素因数の和:15440

約数の個数: 48

約数和(自身を含む): 155252160

約数和(自身を除く): 90875980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15401, 30802, 61604, 77005, 154010, 169411, 292619, 308020, 338822, 585238, 677644, 847055, 1170476, 1463095, 1694110, 2926190, 3218809, 3388220, 5852380, 6437618, 12875236, 16094045, 32188090, 64376180]

約数ペア:

[(1, 64376180), (2, 32188090), (4, 16094045), (5, 12875236), (10, 6437618), (11, 5852380), (19, 3388220), (20, 3218809), (22, 2926190), (38, 1694110), (44, 1463095), (55, 1170476), (76, 847055), (95, 677644), (110, 585238), (190, 338822), (209, 308020), (220, 292619), (380, 169411), (418, 154010), (836, 77005), (1045, 61604), (2090, 30802), (4180, 15401)]