136479320

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2647}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 307432800

約数和(自身を除く): 170953480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2578, 2647, 5156, 5294, 6445, 10312, 10588, 12890, 13235, 21176, 25780, 26470, 51560, 52940, 105880, 3411983, 6823966, 13647932, 17059915, 27295864, 34119830, 68239660, 136479320]

約数ペア:

[(1, 136479320), (2, 68239660), (4, 34119830), (5, 27295864), (8, 17059915), (10, 13647932), (20, 6823966), (40, 3411983), (1289, 105880), (2578, 52940), (2647, 51560), (5156, 26470), (5294, 25780), (6445, 21176), (10312, 13235), (10588, 12890)]