65984980

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{3823}}^1$

素因数の和:4695

約数の個数: 24

約数和(自身を含む): 138765312

約数和(自身を除く): 72780332

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 3823, 4315, 7646, 8630, 15292, 17260, 19115, 38230, 76460, 3299249, 6598498, 13196996, 16496245, 32992490, 65984980]

約数ペア:

[(1, 65984980), (2, 32992490), (4, 16496245), (5, 13196996), (10, 6598498), (20, 3299249), (863, 76460), (1726, 38230), (3452, 19115), (3823, 17260), (4315, 15292), (7646, 8630)]