26291480

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2141}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 59376240

約数和(自身を除く): 33084760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2141, 2456, 3070, 4282, 6140, 8564, 10705, 12280, 17128, 21410, 42820, 85640, 657287, 1314574, 2629148, 3286435, 5258296, 6572870, 13145740, 26291480]

約数ペア:

[(1, 26291480), (2, 13145740), (4, 6572870), (5, 5258296), (8, 3286435), (10, 2629148), (20, 1314574), (40, 657287), (307, 85640), (614, 42820), (1228, 21410), (1535, 17128), (2141, 12280), (2456, 10705), (3070, 8564), (4282, 6140)]