26251480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16007}}^1$

素因数の和:16059

約数の個数: 32

約数和(自身を含む): 60510240

約数和(自身を除く): 34258760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16007, 32014, 64028, 80035, 128056, 160070, 320140, 640280, 656287, 1312574, 2625148, 3281435, 5250296, 6562870, 13125740, 26251480]

約数ペア:

[(1, 26251480), (2, 13125740), (4, 6562870), (5, 5250296), (8, 3281435), (10, 2625148), (20, 1312574), (40, 656287), (41, 640280), (82, 320140), (164, 160070), (205, 128056), (328, 80035), (410, 64028), (820, 32014), (1640, 16007)]