51270320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6607}}^1$

素因数の和:6717

約数の個数: 40

約数和(自身を含む): 120450624

約数和(自身を除く): 69180304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 6607, 7760, 13214, 26428, 33035, 52856, 66070, 105712, 132140, 264280, 528560, 640879, 1281758, 2563516, 3204395, 5127032, 6408790, 10254064, 12817580, 25635160, 51270320]

約数ペア:

[(1, 51270320), (2, 25635160), (4, 12817580), (5, 10254064), (8, 6408790), (10, 5127032), (16, 3204395), (20, 2563516), (40, 1281758), (80, 640879), (97, 528560), (194, 264280), (388, 132140), (485, 105712), (776, 66070), (970, 52856), (1552, 33035), (1940, 26428), (3880, 13214), (6607, 7760)]