138096040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13127}}^1$

素因数の和:13401

約数の個数: 32

約数和(自身を含む): 311921280

約数和(自身を除く): 173825240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 13127, 26254, 52508, 65635, 105016, 131270, 262540, 525080, 3452401, 6904802, 13809604, 17262005, 27619208, 34524010, 69048020, 138096040]

約数ペア:

[(1, 138096040), (2, 69048020), (4, 34524010), (5, 27619208), (8, 17262005), (10, 13809604), (20, 6904802), (40, 3452401), (263, 525080), (526, 262540), (1052, 131270), (1315, 105016), (2104, 65635), (2630, 52508), (5260, 26254), (10520, 13127)]