162931180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 350259840

約数和(自身を除く): 187328660

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 316, 395, 404, 505, 790, 1010, 1021, 1580, 2020, 2042, 4084, 5105, 7979, 10210, 15958, 20420, 31916, 39895, 79790, 80659, 103121, 159580, 161318, 206242, 322636, 403295, 412484, 515605, 806590, 1031210, 1613180, 2062420, 8146559, 16293118, 32586236, 40732795, 81465590, 162931180]

約数ペア:

[(1, 162931180), (2, 81465590), (4, 40732795), (5, 32586236), (10, 16293118), (20, 8146559), (79, 2062420), (101, 1613180), (158, 1031210), (202, 806590), (316, 515605), (395, 412484), (404, 403295), (505, 322636), (790, 206242), (1010, 161318), (1021, 159580), (1580, 103121), (2020, 80659), (2042, 79790), (4084, 39895), (5105, 31916), (7979, 20420), (10210, 15958)]