2090877200

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 120

約数和(自身を含む): 5136814080

約数和(自身を除く): 3045936880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 127, 158, 200, 254, 316, 395, 400, 508, 521, 632, 635, 790, 1016, 1042, 1264, 1270, 1580, 1975, 2032, 2084, 2540, 2605, 3160, 3175, 3950, 4168, 5080, 5210, 6320, 6350, 7900, 8336, 10033, 10160, 10420, 12700, 13025, 15800, 20066, 20840, 25400, 26050, 31600, 40132, 41159, 41680, 50165, 50800, 52100, 66167, 80264, 82318, 100330, 104200, 132334, 160528, 164636, 200660, 205795, 208400, 250825, 264668, 329272, 330835, 401320, 411590, 501650, 529336, 658544, 661670, 802640, 823180, 1003300, 1028975, 1058672, 1323340, 1646360, 1654175, 2006600, 2057950, 2646680, 3292720, 3308350, 4013200, 4115900, 5227193, 5293360, 6616700, 8231800, 10454386, 13233400, 16463600, 20908772, 26135965, 26466800, 41817544, 52271930, 83635088, 104543860, 130679825, 209087720, 261359650, 418175440, 522719300, 1045438600, 2090877200]

約数ペア:

[(1, 2090877200), (2, 1045438600), (4, 522719300), (5, 418175440), (8, 261359650), (10, 209087720), (16, 130679825), (20, 104543860), (25, 83635088), (40, 52271930), (50, 41817544), (79, 26466800), (80, 26135965), (100, 20908772), (127, 16463600), (158, 13233400), (200, 10454386), (254, 8231800), (316, 6616700), (395, 5293360), (400, 5227193), (508, 4115900), (521, 4013200), (632, 3308350), (635, 3292720), (790, 2646680), (1016, 2057950), (1042, 2006600), (1264, 1654175), (1270, 1646360), (1580, 1323340), (1975, 1058672), (2032, 1028975), (2084, 1003300), (2540, 823180), (2605, 802640), (3160, 661670), (3175, 658544), (3950, 529336), (4168, 501650), (5080, 411590), (5210, 401320), (6320, 330835), (6350, 329272), (7900, 264668), (8336, 250825), (10033, 208400), (10160, 205795), (10420, 200660), (12700, 164636), (13025, 160528), (15800, 132334), (20066, 104200), (20840, 100330), (25400, 82318), (26050, 80264), (31600, 66167), (40132, 52100), (41159, 50800), (41680, 50165)]