61856140

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3823}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 130092480

約数和(自身を除く): 68236340

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 3823, 4045, 7646, 8090, 15292, 16180, 19115, 38230, 76460, 3092807, 6185614, 12371228, 15464035, 30928070, 61856140]

約数ペア:

[(1, 61856140), (2, 30928070), (4, 15464035), (5, 12371228), (10, 6185614), (20, 3092807), (809, 76460), (1618, 38230), (3236, 19115), (3823, 16180), (4045, 15292), (7646, 8090)]