128045018720

素因数分解:

$2^5\times 5^1\times {\mathrm{800281367}}^1$

素因数の和:800281382

約数の個数: 24

約数和(自身を含む): 302506357104

約数和(自身を除く): 174461338384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 800281367, 1600562734, 3201125468, 4001406835, 6402250936, 8002813670, 12804501872, 16005627340, 25609003744, 32011254680, 64022509360, 128045018720]

約数ペア:

[(1, 128045018720), (2, 64022509360), (4, 32011254680), (5, 25609003744), (8, 16005627340), (10, 12804501872), (16, 8002813670), (20, 6402250936), (32, 4001406835), (40, 3201125468), (80, 1600562734), (160, 800281367)]