87358420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42407}}^1$

素因数の和:42519

約数の個数: 24

約数和(自身を含む): 185238144

約数和(自身を除く): 97879724

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 42407, 84814, 169628, 212035, 424070, 848140, 4367921, 8735842, 17471684, 21839605, 43679210, 87358420]

約数ペア:

[(1, 87358420), (2, 43679210), (4, 21839605), (5, 17471684), (10, 8735842), (20, 4367921), (103, 848140), (206, 424070), (412, 212035), (515, 169628), (1030, 84814), (2060, 42407)]