42389080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25847}}^1$

素因数の和:25899

約数の個数: 32

約数和(自身を含む): 97705440

約数和(自身を除く): 55316360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25847, 51694, 103388, 129235, 206776, 258470, 516940, 1033880, 1059727, 2119454, 4238908, 5298635, 8477816, 10597270, 21194540, 42389080]

約数ペア:

[(1, 42389080), (2, 21194540), (4, 10597270), (5, 8477816), (8, 5298635), (10, 4238908), (20, 2119454), (40, 1059727), (41, 1033880), (82, 516940), (164, 258470), (205, 206776), (328, 129235), (410, 103388), (820, 51694), (1640, 25847)]