25985820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61871}}^1$

素因数の和:61890

約数の個数: 48

約数和(自身を含む): 83155968

約数和(自身を除く): 57170148

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, 61871, 123742, 185613, 247484, 309355, 371226, 433097, 618710, 742452, 866194, 928065, 1237420, 1299291, 1732388, 1856130, 2165485, 2598582, 3712260, 4330970, 5197164, 6496455, 8661940, 12992910, 25985820]

約数ペア:

[(1, 25985820), (2, 12992910), (3, 8661940), (4, 6496455), (5, 5197164), (6, 4330970), (7, 3712260), (10, 2598582), (12, 2165485), (14, 1856130), (15, 1732388), (20, 1299291), (21, 1237420), (28, 928065), (30, 866194), (35, 742452), (42, 618710), (60, 433097), (70, 371226), (84, 309355), (105, 247484), (140, 185613), (210, 123742), (420, 61871)]