40716560

素因数分解:

$2^4\times 5^1\times {\mathrm{508957}}^1$

素因数の和:508970

約数の個数: 20

約数和(自身を含む): 94666188

約数和(自身を除く): 53949628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508957, 1017914, 2035828, 2544785, 4071656, 5089570, 8143312, 10179140, 20358280, 40716560]

約数ペア:

[(1, 40716560), (2, 20358280), (4, 10179140), (5, 8143312), (8, 5089570), (10, 4071656), (16, 2544785), (20, 2035828), (40, 1017914), (80, 508957)]