128833160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{74903}}^1$

素因数の和:74957

約数の個数: 32

約数和(自身を含む): 296619840

約数和(自身を除く): 167786680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 74903, 149806, 299612, 374515, 599224, 749030, 1498060, 2996120, 3220829, 6441658, 12883316, 16104145, 25766632, 32208290, 64416580, 128833160]

約数ペア:

[(1, 128833160), (2, 64416580), (4, 32208290), (5, 25766632), (8, 16104145), (10, 12883316), (20, 6441658), (40, 3220829), (43, 2996120), (86, 1498060), (172, 749030), (215, 599224), (344, 374515), (430, 299612), (860, 149806), (1720, 74903)]