77851940

素因数分解:

$2^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{2459}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 163658880

約数和(自身を除く): 85806940

約数列:

[1, 2, 4, 5, 10, 20, 1583, 2459, 3166, 4918, 6332, 7915, 9836, 12295, 15830, 24590, 31660, 49180, 3892597, 7785194, 15570388, 19462985, 38925970, 77851940]

約数ペア:

[(1, 77851940), (2, 38925970), (4, 19462985), (5, 15570388), (10, 7785194), (20, 3892597), (1583, 49180), (2459, 31660), (3166, 24590), (4918, 15830), (6332, 12295), (7915, 9836)]