418921780

素因数分解:

$2^2\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{13367}}^1$

素因数の和:14943

約数の個数: 24

約数和(自身を含む): 880363008

約数和(自身を除く): 461441228

約数列:

[1, 2, 4, 5, 10, 20, 1567, 3134, 6268, 7835, 13367, 15670, 26734, 31340, 53468, 66835, 133670, 267340, 20946089, 41892178, 83784356, 104730445, 209460890, 418921780]

約数ペア:

[(1, 418921780), (2, 209460890), (4, 104730445), (5, 83784356), (10, 41892178), (20, 20946089), (1567, 267340), (3134, 133670), (6268, 66835), (7835, 53468), (13367, 31340), (15670, 26734)]