42005780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44687}}^1$

素因数の和:44743

約数の個数: 24

約数和(自身を含む): 90091008

約数和(自身を除く): 48085228

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 44687, 89374, 178748, 223435, 446870, 893740, 2100289, 4200578, 8401156, 10501445, 21002890, 42005780]

約数ペア:

[(1, 42005780), (2, 21002890), (4, 10501445), (5, 8401156), (10, 4200578), (20, 2100289), (47, 893740), (94, 446870), (188, 223435), (235, 178748), (470, 89374), (940, 44687)]