2577304820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1\times {\mathrm{4457}}^1$

素因数の和:5492

約数の個数: 48

約数和(自身を含む): 5605845840

約数和(自身を除く): 3028541020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 997, 1994, 3988, 4457, 4985, 8914, 9970, 17828, 19940, 22285, 28913, 44570, 57826, 89140, 115652, 129253, 144565, 258506, 289130, 517012, 578260, 646265, 1292530, 2585060, 4443629, 8887258, 17774516, 22218145, 44436290, 88872580, 128865241, 257730482, 515460964, 644326205, 1288652410, 2577304820]

約数ペア:

[(1, 2577304820), (2, 1288652410), (4, 644326205), (5, 515460964), (10, 257730482), (20, 128865241), (29, 88872580), (58, 44436290), (116, 22218145), (145, 17774516), (290, 8887258), (580, 4443629), (997, 2585060), (1994, 1292530), (3988, 646265), (4457, 578260), (4985, 517012), (8914, 289130), (9970, 258506), (17828, 144565), (19940, 129253), (22285, 115652), (28913, 89140), (44570, 57826)]