51487600

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1442

約数の個数: 60

約数和(自身を含む): 125068384

約数和(自身を除く): 73580784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1327, 1552, 1940, 2425, 2654, 3880, 4850, 5308, 6635, 7760, 9700, 10616, 13270, 19400, 21232, 26540, 33175, 38800, 53080, 66350, 106160, 128719, 132700, 257438, 265400, 514876, 530800, 643595, 1029752, 1287190, 2059504, 2574380, 3217975, 5148760, 6435950, 10297520, 12871900, 25743800, 51487600]

約数ペア:

[(1, 51487600), (2, 25743800), (4, 12871900), (5, 10297520), (8, 6435950), (10, 5148760), (16, 3217975), (20, 2574380), (25, 2059504), (40, 1287190), (50, 1029752), (80, 643595), (97, 530800), (100, 514876), (194, 265400), (200, 257438), (388, 132700), (400, 128719), (485, 106160), (776, 66350), (970, 53080), (1327, 38800), (1552, 33175), (1940, 26540), (2425, 21232), (2654, 19400), (3880, 13270), (4850, 10616), (5308, 9700), (6635, 7760)]