25620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 83328

約数和(自身を除く): 57708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 5124, 6405, 8540, 12810, 25620]

約数ペア:

[(1, 25620), (2, 12810), (3, 8540), (4, 6405), (5, 5124), (6, 4270), (7, 3660), (10, 2562), (12, 2135), (14, 1830), (15, 1708), (20, 1281), (21, 1220), (28, 915), (30, 854), (35, 732), (42, 610), (60, 427), (61, 420), (70, 366), (84, 305), (105, 244), (122, 210), (140, 183)]