99665140

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{3463}}^1$

素因数の和:4911

約数の個数: 24

約数和(自身を含む): 209502720

約数和(自身を除く): 109837580

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 3463, 5756, 6926, 7195, 13852, 14390, 17315, 28780, 34630, 69260, 4983257, 9966514, 19933028, 24916285, 49832570, 99665140]

約数ペア:

[(1, 99665140), (2, 49832570), (4, 24916285), (5, 19933028), (10, 9966514), (20, 4983257), (1439, 69260), (2878, 34630), (3463, 28780), (5756, 17315), (6926, 14390), (7195, 13852)]