25215540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60037}}^1$

素因数の和:60056

約数の個数: 48

約数和(自身を含む): 80691072

約数和(自身を除く): 55475532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 60037, 120074, 180111, 240148, 300185, 360222, 420259, 600370, 720444, 840518, 900555, 1200740, 1260777, 1681036, 1801110, 2101295, 2521554, 3602220, 4202590, 5043108, 6303885, 8405180, 12607770, 25215540]

約数ペア:

[(1, 25215540), (2, 12607770), (3, 8405180), (4, 6303885), (5, 5043108), (6, 4202590), (7, 3602220), (10, 2521554), (12, 2101295), (14, 1801110), (15, 1681036), (20, 1260777), (21, 1200740), (28, 900555), (30, 840518), (35, 720444), (42, 600370), (60, 420259), (70, 360222), (84, 300185), (105, 240148), (140, 180111), (210, 120074), (420, 60037)]