139989760

素因数分解:

$2^8\times 5^1\times {\mathrm{109367}}^1$

素因数の和:109388

約数の個数: 36

約数和(自身を含む): 335322288

約数和(自身を除く): 195332528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 109367, 218734, 437468, 546835, 874936, 1093670, 1749872, 2187340, 3499744, 4374680, 6999488, 8749360, 13998976, 17498720, 27997952, 34997440, 69994880, 139989760]

約数ペア:

[(1, 139989760), (2, 69994880), (4, 34997440), (5, 27997952), (8, 17498720), (10, 13998976), (16, 8749360), (20, 6999488), (32, 4374680), (40, 3499744), (64, 2187340), (80, 1749872), (128, 1093670), (160, 874936), (256, 546835), (320, 437468), (640, 218734), (1280, 109367)]