25313820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60271}}^1$

素因数の和:60290

約数の個数: 48

約数和(自身を含む): 81005568

約数和(自身を除く): 55691748

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, 60271, 120542, 180813, 241084, 301355, 361626, 421897, 602710, 723252, 843794, 904065, 1205420, 1265691, 1687588, 1808130, 2109485, 2531382, 3616260, 4218970, 5062764, 6328455, 8437940, 12656910, 25313820]

約数ペア:

[(1, 25313820), (2, 12656910), (3, 8437940), (4, 6328455), (5, 5062764), (6, 4218970), (7, 3616260), (10, 2531382), (12, 2109485), (14, 1808130), (15, 1687588), (20, 1265691), (21, 1205420), (28, 904065), (30, 843794), (35, 723252), (42, 602710), (60, 421897), (70, 361626), (84, 301355), (105, 241084), (140, 180813), (210, 120542), (420, 60271)]