25027020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 76470576

約数和(自身を除く): 51443556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 853, 978, 1467, 1630, 1706, 1956, 2445, 2559, 2934, 3260, 3412, 4265, 4890, 5118, 5868, 7335, 7677, 8530, 9780, 10236, 12795, 14670, 15354, 17060, 25590, 29340, 30708, 38385, 51180, 76770, 139039, 153540, 278078, 417117, 556156, 695195, 834234, 1251351, 1390390, 1668468, 2085585, 2502702, 2780780, 4171170, 5005404, 6256755, 8342340, 12513510, 25027020]

約数ペア:

[(1, 25027020), (2, 12513510), (3, 8342340), (4, 6256755), (5, 5005404), (6, 4171170), (9, 2780780), (10, 2502702), (12, 2085585), (15, 1668468), (18, 1390390), (20, 1251351), (30, 834234), (36, 695195), (45, 556156), (60, 417117), (90, 278078), (163, 153540), (180, 139039), (326, 76770), (489, 51180), (652, 38385), (815, 30708), (853, 29340), (978, 25590), (1467, 17060), (1630, 15354), (1706, 14670), (1956, 12795), (2445, 10236), (2559, 9780), (2934, 8530), (3260, 7677), (3412, 7335), (4265, 5868), (4890, 5118)]