131787280

素因数分解:

$2^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2741}}^1$

素因数の和:3355

約数の個数: 40

約数和(自身を含む): 307027224

約数和(自身を除く): 175239944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 601, 1202, 2404, 2741, 3005, 4808, 5482, 6010, 9616, 10964, 12020, 13705, 21928, 24040, 27410, 43856, 48080, 54820, 109640, 219280, 1647341, 3294682, 6589364, 8236705, 13178728, 16473410, 26357456, 32946820, 65893640, 131787280]

約数ペア:

[(1, 131787280), (2, 65893640), (4, 32946820), (5, 26357456), (8, 16473410), (10, 13178728), (16, 8236705), (20, 6589364), (40, 3294682), (80, 1647341), (601, 219280), (1202, 109640), (2404, 54820), (2741, 48080), (3005, 43856), (4808, 27410), (5482, 24040), (6010, 21928), (9616, 13705), (10964, 12020)]