25908540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61687}}^1$

素因数の和:61706

約数の個数: 48

約数和(自身を含む): 82908672

約数和(自身を除く): 57000132

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, 61687, 123374, 185061, 246748, 308435, 370122, 431809, 616870, 740244, 863618, 925305, 1233740, 1295427, 1727236, 1850610, 2159045, 2590854, 3701220, 4318090, 5181708, 6477135, 8636180, 12954270, 25908540]

約数ペア:

[(1, 25908540), (2, 12954270), (3, 8636180), (4, 6477135), (5, 5181708), (6, 4318090), (7, 3701220), (10, 2590854), (12, 2159045), (14, 1850610), (15, 1727236), (20, 1295427), (21, 1233740), (28, 925305), (30, 863618), (35, 740244), (42, 616870), (60, 431809), (70, 370122), (84, 308435), (105, 246748), (140, 185061), (210, 123374), (420, 61687)]