25770760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14983}}^1$

素因数の和:15037

約数の個数: 32

約数和(自身を含む): 59336640

約数和(自身を除く): 33565880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14983, 29966, 59932, 74915, 119864, 149830, 299660, 599320, 644269, 1288538, 2577076, 3221345, 5154152, 6442690, 12885380, 25770760]

約数ペア:

[(1, 25770760), (2, 12885380), (4, 6442690), (5, 5154152), (8, 3221345), (10, 2577076), (20, 1288538), (40, 644269), (43, 599320), (86, 299660), (172, 149830), (215, 119864), (344, 74915), (430, 59932), (860, 29966), (1720, 14983)]