90564620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 194957280

約数和(自身を除く): 104392660

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 613, 830, 890, 1226, 1660, 1780, 2452, 3065, 6130, 7387, 12260, 14774, 29548, 36935, 50879, 54557, 73870, 101758, 109114, 147740, 203516, 218228, 254395, 272785, 508790, 545570, 1017580, 1091140, 4528231, 9056462, 18112924, 22641155, 45282310, 90564620]

約数ペア:

[(1, 90564620), (2, 45282310), (4, 22641155), (5, 18112924), (10, 9056462), (20, 4528231), (83, 1091140), (89, 1017580), (166, 545570), (178, 508790), (332, 272785), (356, 254395), (415, 218228), (445, 203516), (613, 147740), (830, 109114), (890, 101758), (1226, 73870), (1660, 54557), (1780, 50879), (2452, 36935), (3065, 29548), (6130, 14774), (7387, 12260)]