57548780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 123432960

約数和(自身を除く): 65884180

約数列:

[1, 2, 4, 5, 10, 20, 127, 139, 163, 254, 278, 326, 508, 556, 635, 652, 695, 815, 1270, 1390, 1630, 2540, 2780, 3260, 17653, 20701, 22657, 35306, 41402, 45314, 70612, 82804, 88265, 90628, 103505, 113285, 176530, 207010, 226570, 353060, 414020, 453140, 2877439, 5754878, 11509756, 14387195, 28774390, 57548780]

約数ペア:

[(1, 57548780), (2, 28774390), (4, 14387195), (5, 11509756), (10, 5754878), (20, 2877439), (127, 453140), (139, 414020), (163, 353060), (254, 226570), (278, 207010), (326, 176530), (508, 113285), (556, 103505), (635, 90628), (652, 88265), (695, 82804), (815, 70612), (1270, 45314), (1390, 41402), (1630, 35306), (2540, 22657), (2780, 20701), (3260, 17653)]