25388580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60449}}^1$

素因数の和:60468

約数の個数: 48

約数和(自身を含む): 81244800

約数和(自身を除く): 55856220

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, 60449, 120898, 181347, 241796, 302245, 362694, 423143, 604490, 725388, 846286, 906735, 1208980, 1269429, 1692572, 1813470, 2115715, 2538858, 3626940, 4231430, 5077716, 6347145, 8462860, 12694290, 25388580]

約数ペア:

[(1, 25388580), (2, 12694290), (3, 8462860), (4, 6347145), (5, 5077716), (6, 4231430), (7, 3626940), (10, 2538858), (12, 2115715), (14, 1813470), (15, 1692572), (20, 1269429), (21, 1208980), (28, 906735), (30, 846286), (35, 725388), (42, 604490), (60, 423143), (70, 362694), (84, 302245), (105, 241796), (140, 181347), (210, 120898), (420, 60449)]