25205580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15559}}^1$

素因数の和:15580

約数の個数: 60

約数和(自身を含む): 79075920

約数和(自身を除く): 53870340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15559, 31118, 46677, 62236, 77795, 93354, 140031, 155590, 186708, 233385, 280062, 311180, 420093, 466770, 560124, 700155, 840186, 933540, 1260279, 1400310, 1680372, 2100465, 2520558, 2800620, 4200930, 5041116, 6301395, 8401860, 12602790, 25205580]

約数ペア:

[(1, 25205580), (2, 12602790), (3, 8401860), (4, 6301395), (5, 5041116), (6, 4200930), (9, 2800620), (10, 2520558), (12, 2100465), (15, 1680372), (18, 1400310), (20, 1260279), (27, 933540), (30, 840186), (36, 700155), (45, 560124), (54, 466770), (60, 420093), (81, 311180), (90, 280062), (108, 233385), (135, 186708), (162, 155590), (180, 140031), (270, 93354), (324, 77795), (405, 62236), (540, 46677), (810, 31118), (1620, 15559)]