28261120

素因数分解:

$2^8\times 5^1\times {\mathrm{22079}}^1$

素因数の和:22100

約数の個数: 36

約数和(自身を含む): 67697280

約数和(自身を除く): 39436160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22079, 44158, 88316, 110395, 176632, 220790, 353264, 441580, 706528, 883160, 1413056, 1766320, 2826112, 3532640, 5652224, 7065280, 14130560, 28261120]

約数ペア:

[(1, 28261120), (2, 14130560), (4, 7065280), (5, 5652224), (8, 3532640), (10, 2826112), (16, 1766320), (20, 1413056), (32, 883160), (40, 706528), (64, 441580), (80, 353264), (128, 220790), (160, 176632), (256, 110395), (320, 88316), (640, 44158), (1280, 22079)]