25885020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61631}}^1$

素因数の和:61650

約数の個数: 48

約数和(自身を含む): 82833408

約数和(自身を除く): 56948388

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, 61631, 123262, 184893, 246524, 308155, 369786, 431417, 616310, 739572, 862834, 924465, 1232620, 1294251, 1725668, 1848930, 2157085, 2588502, 3697860, 4314170, 5177004, 6471255, 8628340, 12942510, 25885020]

約数ペア:

[(1, 25885020), (2, 12942510), (3, 8628340), (4, 6471255), (5, 5177004), (6, 4314170), (7, 3697860), (10, 2588502), (12, 2157085), (14, 1848930), (15, 1725668), (20, 1294251), (21, 1232620), (28, 924465), (30, 862834), (35, 739572), (42, 616310), (60, 431417), (70, 369786), (84, 308155), (105, 246524), (140, 184893), (210, 123262), (420, 61631)]