51958240

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2557}}^1$

素因数の和:2699

約数の個数: 48

約数和(自身を含む): 123766272

約数和(自身を除く): 71808032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 2557, 4064, 5080, 5114, 10160, 10228, 12785, 20320, 20456, 25570, 40912, 51140, 81824, 102280, 204560, 324739, 409120, 649478, 1298956, 1623695, 2597912, 3247390, 5195824, 6494780, 10391648, 12989560, 25979120, 51958240]

約数ペア:

[(1, 51958240), (2, 25979120), (4, 12989560), (5, 10391648), (8, 6494780), (10, 5195824), (16, 3247390), (20, 2597912), (32, 1623695), (40, 1298956), (80, 649478), (127, 409120), (160, 324739), (254, 204560), (508, 102280), (635, 81824), (1016, 51140), (1270, 40912), (2032, 25570), (2540, 20456), (2557, 20320), (4064, 12785), (5080, 10228), (5114, 10160)]