77954260

素因数分解:

$2^2\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{2081}}^1$

素因数の和:3963

約数の個数: 24

約数和(自身を含む): 163870056

約数和(自身を除く): 85915796

約数列:

[1, 2, 4, 5, 10, 20, 1873, 2081, 3746, 4162, 7492, 8324, 9365, 10405, 18730, 20810, 37460, 41620, 3897713, 7795426, 15590852, 19488565, 38977130, 77954260]

約数ペア:

[(1, 77954260), (2, 38977130), (4, 19488565), (5, 15590852), (10, 7795426), (20, 3897713), (1873, 41620), (2081, 37460), (3746, 20810), (4162, 18730), (7492, 10405), (8324, 9365)]