25978140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{144323}}^1$

素因数の和:144338

約数の個数: 36

約数和(自身を含む): 78800904

約数和(自身を除く): 52822764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 144323, 288646, 432969, 577292, 721615, 865938, 1298907, 1443230, 1731876, 2164845, 2597814, 2886460, 4329690, 5195628, 6494535, 8659380, 12989070, 25978140]

約数ペア:

[(1, 25978140), (2, 12989070), (3, 8659380), (4, 6494535), (5, 5195628), (6, 4329690), (9, 2886460), (10, 2597814), (12, 2164845), (15, 1731876), (18, 1443230), (20, 1298907), (30, 865938), (36, 721615), (45, 577292), (60, 432969), (90, 288646), (180, 144323)]