25574680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14869}}^1$

素因数の和:14923

約数の個数: 32

約数和(自身を含む): 58885200

約数和(自身を除く): 33310520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14869, 29738, 59476, 74345, 118952, 148690, 297380, 594760, 639367, 1278734, 2557468, 3196835, 5114936, 6393670, 12787340, 25574680]

約数ペア:

[(1, 25574680), (2, 12787340), (4, 6393670), (5, 5114936), (8, 3196835), (10, 2557468), (20, 1278734), (40, 639367), (43, 594760), (86, 297380), (172, 148690), (215, 118952), (344, 74345), (430, 59476), (860, 29738), (1720, 14869)]