28629760

素因数分解:

$2^8\times 5^1\times {\mathrm{22367}}^1$

素因数の和:22388

約数の個数: 36

約数和(自身を含む): 68580288

約数和(自身を除く): 39950528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22367, 44734, 89468, 111835, 178936, 223670, 357872, 447340, 715744, 894680, 1431488, 1789360, 2862976, 3578720, 5725952, 7157440, 14314880, 28629760]

約数ペア:

[(1, 28629760), (2, 14314880), (4, 7157440), (5, 5725952), (8, 3578720), (10, 2862976), (16, 1789360), (20, 1431488), (32, 894680), (40, 715744), (64, 447340), (80, 357872), (128, 223670), (160, 178936), (256, 111835), (320, 89468), (640, 44734), (1280, 22367)]