10405420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7127}}^1$

素因数の和:7209

約数の個数: 24

約数和(自身を含む): 22153824

約数和(自身を除く): 11748404

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 7127, 14254, 28508, 35635, 71270, 142540, 520271, 1040542, 2081084, 2601355, 5202710, 10405420]

約数ペア:

[(1, 10405420), (2, 5202710), (4, 2601355), (5, 2081084), (10, 1040542), (20, 520271), (73, 142540), (146, 71270), (292, 35635), (365, 28508), (730, 14254), (1460, 7127)]