159237220

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{12421}}^1$

素因数の和:13071

約数の個数: 24

約数和(自身を含む): 334946808

約数和(自身を除く): 175709588

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12421, 12820, 24842, 49684, 62105, 124210, 248420, 7961861, 15923722, 31847444, 39809305, 79618610, 159237220]

約数ペア:

[(1, 159237220), (2, 79618610), (4, 39809305), (5, 31847444), (10, 15923722), (20, 7961861), (641, 248420), (1282, 124210), (2564, 62105), (3205, 49684), (6410, 24842), (12421, 12820)]