25526180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 31672780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 389, 772, 778, 965, 1556, 1930, 1945, 3281, 3860, 3890, 6562, 6613, 7780, 13124, 13226, 16405, 26452, 32810, 33065, 65620, 66130, 75077, 132260, 150154, 300308, 375385, 750770, 1276309, 1501540, 2552618, 5105236, 6381545, 12763090, 25526180]

約数ペア:

[(1, 25526180), (2, 12763090), (4, 6381545), (5, 5105236), (10, 2552618), (17, 1501540), (20, 1276309), (34, 750770), (68, 375385), (85, 300308), (170, 150154), (193, 132260), (340, 75077), (386, 66130), (389, 65620), (772, 33065), (778, 32810), (965, 26452), (1556, 16405), (1930, 13226), (1945, 13124), (3281, 7780), (3860, 6613), (3890, 6562)]