211344880

素因数分解:

$2^4\times 5^1\times {\mathrm{2641811}}^1$

素因数の和:2641824

約数の個数: 20

約数和(自身を含む): 491377032

約数和(自身を除く): 280032152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2641811, 5283622, 10567244, 13209055, 21134488, 26418110, 42268976, 52836220, 105672440, 211344880]

約数ペア:

[(1, 211344880), (2, 105672440), (4, 52836220), (5, 42268976), (8, 26418110), (10, 21134488), (16, 13209055), (20, 10567244), (40, 5283622), (80, 2641811)]