25313180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 55413120

約数和(自身を除く): 30099940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 433, 740, 790, 866, 1580, 1732, 2165, 2923, 4330, 5846, 8660, 11692, 14615, 16021, 29230, 32042, 34207, 58460, 64084, 68414, 80105, 136828, 160210, 171035, 320420, 342070, 684140, 1265659, 2531318, 5062636, 6328295, 12656590, 25313180]

約数ペア:

[(1, 25313180), (2, 12656590), (4, 6328295), (5, 5062636), (10, 2531318), (20, 1265659), (37, 684140), (74, 342070), (79, 320420), (148, 171035), (158, 160210), (185, 136828), (316, 80105), (370, 68414), (395, 64084), (433, 58460), (740, 34207), (790, 32042), (866, 29230), (1580, 16021), (1732, 14615), (2165, 11692), (2923, 8660), (4330, 5846)]