2557182560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{16631}}^1$

素因数の和:16708

約数の個数: 72

約数和(自身を含む): 6242887728

約数和(自身を除く): 3685705168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 3844, 4805, 4960, 7688, 9610, 15376, 16631, 19220, 30752, 33262, 38440, 66524, 76880, 83155, 133048, 153760, 166310, 266096, 332620, 515561, 532192, 665240, 1031122, 1330480, 2062244, 2577805, 2660960, 4124488, 5155610, 8248976, 10311220, 15982391, 16497952, 20622440, 31964782, 41244880, 63929564, 79911955, 82489760, 127859128, 159823910, 255718256, 319647820, 511436512, 639295640, 1278591280, 2557182560]

約数ペア:

[(1, 2557182560), (2, 1278591280), (4, 639295640), (5, 511436512), (8, 319647820), (10, 255718256), (16, 159823910), (20, 127859128), (31, 82489760), (32, 79911955), (40, 63929564), (62, 41244880), (80, 31964782), (124, 20622440), (155, 16497952), (160, 15982391), (248, 10311220), (310, 8248976), (496, 5155610), (620, 4124488), (961, 2660960), (992, 2577805), (1240, 2062244), (1922, 1330480), (2480, 1031122), (3844, 665240), (4805, 532192), (4960, 515561), (7688, 332620), (9610, 266096), (15376, 166310), (16631, 153760), (19220, 133048), (30752, 83155), (33262, 76880), (38440, 66524)]