25999020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{144439}}^1$

素因数の和:144454

約数の個数: 36

約数和(自身を含む): 78864240

約数和(自身を除く): 52865220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 144439, 288878, 433317, 577756, 722195, 866634, 1299951, 1444390, 1733268, 2166585, 2599902, 2888780, 4333170, 5199804, 6499755, 8666340, 12999510, 25999020]

約数ペア:

[(1, 25999020), (2, 12999510), (3, 8666340), (4, 6499755), (5, 5199804), (6, 4333170), (9, 2888780), (10, 2599902), (12, 2166585), (15, 1733268), (18, 1444390), (20, 1299951), (30, 866634), (36, 722195), (45, 577756), (60, 433317), (90, 288878), (180, 144439)]