133737080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81547}}^1$

素因数の和:81599

約数の個数: 32

約数和(自身を含む): 308251440

約数和(自身を除く): 174514360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 81547, 163094, 326188, 407735, 652376, 815470, 1630940, 3261880, 3343427, 6686854, 13373708, 16717135, 26747416, 33434270, 66868540, 133737080]

約数ペア:

[(1, 133737080), (2, 66868540), (4, 33434270), (5, 26747416), (8, 16717135), (10, 13373708), (20, 6686854), (40, 3343427), (41, 3261880), (82, 1630940), (164, 815470), (205, 652376), (328, 407735), (410, 326188), (820, 163094), (1640, 81547)]