8260240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 19463040

約数和(自身を除く): 11202800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1307, 1580, 2614, 3160, 5228, 6320, 6535, 10456, 13070, 20912, 26140, 52280, 103253, 104560, 206506, 413012, 516265, 826024, 1032530, 1652048, 2065060, 4130120, 8260240]

約数ペア:

[(1, 8260240), (2, 4130120), (4, 2065060), (5, 1652048), (8, 1032530), (10, 826024), (16, 516265), (20, 413012), (40, 206506), (79, 104560), (80, 103253), (158, 52280), (316, 26140), (395, 20912), (632, 13070), (790, 10456), (1264, 6535), (1307, 6320), (1580, 5228), (2614, 3160)]