25989180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61879}}^1$

素因数の和:61898

約数の個数: 48

約数和(自身を含む): 83166720

約数和(自身を除く): 57177540

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, 61879, 123758, 185637, 247516, 309395, 371274, 433153, 618790, 742548, 866306, 928185, 1237580, 1299459, 1732612, 1856370, 2165765, 2598918, 3712740, 4331530, 5197836, 6497295, 8663060, 12994590, 25989180]

約数ペア:

[(1, 25989180), (2, 12994590), (3, 8663060), (4, 6497295), (5, 5197836), (6, 4331530), (7, 3712740), (10, 2598918), (12, 2165765), (14, 1856370), (15, 1732612), (20, 1299459), (21, 1237580), (28, 928185), (30, 866306), (35, 742548), (42, 618790), (60, 433153), (70, 371274), (84, 309395), (105, 247516), (140, 185637), (210, 123758), (420, 61879)]