15980450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 31337280

約数和(自身を除く): 15356830

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 103, 107, 145, 206, 214, 290, 515, 535, 725, 1030, 1070, 1450, 2575, 2675, 2987, 3103, 5150, 5350, 5974, 6206, 11021, 14935, 15515, 22042, 29870, 31030, 55105, 74675, 77575, 110210, 149350, 155150, 275525, 319609, 551050, 639218, 1598045, 3196090, 7990225, 15980450]

約数ペア:

[(1, 15980450), (2, 7990225), (5, 3196090), (10, 1598045), (25, 639218), (29, 551050), (50, 319609), (58, 275525), (103, 155150), (107, 149350), (145, 110210), (206, 77575), (214, 74675), (290, 55105), (515, 31030), (535, 29870), (725, 22042), (1030, 15515), (1070, 14935), (1450, 11021), (2575, 6206), (2675, 5974), (2987, 5350), (3103, 5150)]