8028940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 17740800

約数和(自身を除く): 9711860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 127, 145, 218, 254, 290, 436, 508, 545, 580, 635, 1090, 1270, 2180, 2540, 3161, 3683, 6322, 7366, 12644, 13843, 14732, 15805, 18415, 27686, 31610, 36830, 55372, 63220, 69215, 73660, 138430, 276860, 401447, 802894, 1605788, 2007235, 4014470, 8028940]

約数ペア:

[(1, 8028940), (2, 4014470), (4, 2007235), (5, 1605788), (10, 802894), (20, 401447), (29, 276860), (58, 138430), (109, 73660), (116, 69215), (127, 63220), (145, 55372), (218, 36830), (254, 31610), (290, 27686), (436, 18415), (508, 15805), (545, 14732), (580, 13843), (635, 12644), (1090, 7366), (1270, 6322), (2180, 3683), (2540, 3161)]