261019940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{4751}}^1$

素因数の和:4868

約数の個数: 48

約数和(自身を含む): 570011904

約数和(自身を除く): 308991964

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 670, 820, 1340, 2747, 4751, 5494, 9502, 10988, 13735, 19004, 23755, 27470, 47510, 54940, 95020, 194791, 318317, 389582, 636634, 779164, 973955, 1273268, 1591585, 1947910, 3183170, 3895820, 6366340, 13050997, 26101994, 52203988, 65254985, 130509970, 261019940]

約数ペア:

[(1, 261019940), (2, 130509970), (4, 65254985), (5, 52203988), (10, 26101994), (20, 13050997), (41, 6366340), (67, 3895820), (82, 3183170), (134, 1947910), (164, 1591585), (205, 1273268), (268, 973955), (335, 779164), (410, 636634), (670, 389582), (820, 318317), (1340, 194791), (2747, 95020), (4751, 54940), (5494, 47510), (9502, 27470), (10988, 23755), (13735, 19004)]