85897880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20849}}^1$

素因数の和:20963

約数の個数: 32

約数和(自身を含む): 195156000

約数和(自身を除く): 109258120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 20849, 41698, 83396, 104245, 166792, 208490, 416980, 833960, 2147447, 4294894, 8589788, 10737235, 17179576, 21474470, 42948940, 85897880]

約数ペア:

[(1, 85897880), (2, 42948940), (4, 21474470), (5, 17179576), (8, 10737235), (10, 8589788), (20, 4294894), (40, 2147447), (103, 833960), (206, 416980), (412, 208490), (515, 166792), (824, 104245), (1030, 83396), (2060, 41698), (4120, 20849)]