172135120

素因数分解:

$2^4\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{1487}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 400760064

約数和(自身を除く): 228624944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1447, 1487, 2894, 2974, 5788, 5948, 7235, 7435, 11576, 11896, 14470, 14870, 23152, 23792, 28940, 29740, 57880, 59480, 115760, 118960, 2151689, 4303378, 8606756, 10758445, 17213512, 21516890, 34427024, 43033780, 86067560, 172135120]

約数ペア:

[(1, 172135120), (2, 86067560), (4, 43033780), (5, 34427024), (8, 21516890), (10, 17213512), (16, 10758445), (20, 8606756), (40, 4303378), (80, 2151689), (1447, 118960), (1487, 115760), (2894, 59480), (2974, 57880), (5788, 29740), (5948, 28940), (7235, 23792), (7435, 23152), (11576, 14870), (11896, 14470)]