25313240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14717}}^1$

素因数の和:14771

約数の個数: 32

約数和(自身を含む): 58283280

約数和(自身を除く): 32970040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14717, 29434, 58868, 73585, 117736, 147170, 294340, 588680, 632831, 1265662, 2531324, 3164155, 5062648, 6328310, 12656620, 25313240]

約数ペア:

[(1, 25313240), (2, 12656620), (4, 6328310), (5, 5062648), (8, 3164155), (10, 2531324), (20, 1265662), (40, 632831), (43, 588680), (86, 294340), (172, 147170), (215, 117736), (344, 73585), (430, 58868), (860, 29434), (1720, 14717)]