25887540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61637}}^1$

素因数の和:61656

約数の個数: 48

約数和(自身を含む): 82841472

約数和(自身を除く): 56953932

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, 61637, 123274, 184911, 246548, 308185, 369822, 431459, 616370, 739644, 862918, 924555, 1232740, 1294377, 1725836, 1849110, 2157295, 2588754, 3698220, 4314590, 5177508, 6471885, 8629180, 12943770, 25887540]

約数ペア:

[(1, 25887540), (2, 12943770), (3, 8629180), (4, 6471885), (5, 5177508), (6, 4314590), (7, 3698220), (10, 2588754), (12, 2157295), (14, 1849110), (15, 1725836), (20, 1294377), (21, 1232740), (28, 924555), (30, 862918), (35, 739644), (42, 616370), (60, 431459), (70, 369822), (84, 308185), (105, 246548), (140, 184911), (210, 123274), (420, 61637)]