25972020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{144289}}^1$

素因数の和:144304

約数の個数: 36

約数和(自身を含む): 78782340

約数和(自身を除く): 52810320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 144289, 288578, 432867, 577156, 721445, 865734, 1298601, 1442890, 1731468, 2164335, 2597202, 2885780, 4328670, 5194404, 6493005, 8657340, 12986010, 25972020]

約数ペア:

[(1, 25972020), (2, 12986010), (3, 8657340), (4, 6493005), (5, 5194404), (6, 4328670), (9, 2885780), (10, 2597202), (12, 2164335), (15, 1731468), (18, 1442890), (20, 1298601), (30, 865734), (36, 721445), (45, 577156), (60, 432867), (90, 288578), (180, 144289)]