25321380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60289}}^1$

素因数の和:60308

約数の個数: 48

約数和(自身を含む): 81029760

約数和(自身を除く): 55708380

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, 60289, 120578, 180867, 241156, 301445, 361734, 422023, 602890, 723468, 844046, 904335, 1205780, 1266069, 1688092, 1808670, 2110115, 2532138, 3617340, 4220230, 5064276, 6330345, 8440460, 12660690, 25321380]

約数ペア:

[(1, 25321380), (2, 12660690), (3, 8440460), (4, 6330345), (5, 5064276), (6, 4220230), (7, 3617340), (10, 2532138), (12, 2110115), (14, 1808670), (15, 1688092), (20, 1266069), (21, 1205780), (28, 904335), (30, 844046), (35, 723468), (42, 602890), (60, 422023), (70, 361734), (84, 301445), (105, 241156), (140, 180867), (210, 120578), (420, 60289)]