25413780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60509}}^1$

素因数の和:60528

約数の個数: 48

約数和(自身を含む): 81325440

約数和(自身を除く): 55911660

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, 60509, 121018, 181527, 242036, 302545, 363054, 423563, 605090, 726108, 847126, 907635, 1210180, 1270689, 1694252, 1815270, 2117815, 2541378, 3630540, 4235630, 5082756, 6353445, 8471260, 12706890, 25413780]

約数ペア:

[(1, 25413780), (2, 12706890), (3, 8471260), (4, 6353445), (5, 5082756), (6, 4235630), (7, 3630540), (10, 2541378), (12, 2117815), (14, 1815270), (15, 1694252), (20, 1270689), (21, 1210180), (28, 907635), (30, 847126), (35, 726108), (42, 605090), (60, 423563), (70, 363054), (84, 302545), (105, 242036), (140, 181527), (210, 121018), (420, 60509)]