20786779360

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1\times {\mathrm{1091}}^1$

素因数の和:1916

約数の個数: 96

約数和(自身を含む): 49488540192

約数和(自身を除く): 28701760832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 617, 772, 965, 1091, 1234, 1544, 1930, 2182, 2468, 3085, 3088, 3860, 4364, 4936, 5455, 6170, 6176, 7720, 8728, 9872, 10910, 12340, 15440, 17456, 19744, 21820, 24680, 30880, 34912, 43640, 49360, 87280, 98720, 119081, 174560, 210563, 238162, 421126, 476324, 595405, 673147, 842252, 952648, 1052815, 1190810, 1346294, 1684504, 1905296, 2105630, 2381620, 2692588, 3365735, 3369008, 3810592, 4211260, 4763240, 5385176, 6731470, 6738016, 8422520, 9526480, 10770352, 13462940, 16845040, 19052960, 21540704, 26925880, 33690080, 53851760, 107703520, 129917371, 259834742, 519669484, 649586855, 1039338968, 1299173710, 2078677936, 2598347420, 4157355872, 5196694840, 10393389680, 20786779360]

約数ペア:

[(1, 20786779360), (2, 10393389680), (4, 5196694840), (5, 4157355872), (8, 2598347420), (10, 2078677936), (16, 1299173710), (20, 1039338968), (32, 649586855), (40, 519669484), (80, 259834742), (160, 129917371), (193, 107703520), (386, 53851760), (617, 33690080), (772, 26925880), (965, 21540704), (1091, 19052960), (1234, 16845040), (1544, 13462940), (1930, 10770352), (2182, 9526480), (2468, 8422520), (3085, 6738016), (3088, 6731470), (3860, 5385176), (4364, 4763240), (4936, 4211260), (5455, 3810592), (6170, 3369008), (6176, 3365735), (7720, 2692588), (8728, 2381620), (9872, 2105630), (10910, 1905296), (12340, 1684504), (15440, 1346294), (17456, 1190810), (19744, 1052815), (21820, 952648), (24680, 842252), (30880, 673147), (34912, 595405), (43640, 476324), (49360, 421126), (87280, 238162), (98720, 210563), (119081, 174560)]