51910000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 100

約数和(自身を含む): 130739400

約数和(自身を除く): 78829400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 179, 200, 232, 250, 290, 358, 400, 464, 500, 580, 625, 716, 725, 895, 1000, 1160, 1250, 1432, 1450, 1790, 2000, 2320, 2500, 2864, 2900, 3580, 3625, 4475, 5000, 5191, 5800, 7160, 7250, 8950, 10000, 10382, 11600, 14320, 14500, 17900, 18125, 20764, 22375, 25955, 29000, 35800, 36250, 41528, 44750, 51910, 58000, 71600, 72500, 83056, 89500, 103820, 111875, 129775, 145000, 179000, 207640, 223750, 259550, 290000, 358000, 415280, 447500, 519100, 648875, 895000, 1038200, 1297750, 1790000, 2076400, 2595500, 3244375, 5191000, 6488750, 10382000, 12977500, 25955000, 51910000]

約数ペア:

[(1, 51910000), (2, 25955000), (4, 12977500), (5, 10382000), (8, 6488750), (10, 5191000), (16, 3244375), (20, 2595500), (25, 2076400), (29, 1790000), (40, 1297750), (50, 1038200), (58, 895000), (80, 648875), (100, 519100), (116, 447500), (125, 415280), (145, 358000), (179, 290000), (200, 259550), (232, 223750), (250, 207640), (290, 179000), (358, 145000), (400, 129775), (464, 111875), (500, 103820), (580, 89500), (625, 83056), (716, 72500), (725, 71600), (895, 58000), (1000, 51910), (1160, 44750), (1250, 41528), (1432, 36250), (1450, 35800), (1790, 29000), (2000, 25955), (2320, 22375), (2500, 20764), (2864, 18125), (2900, 17900), (3580, 14500), (3625, 14320), (4475, 11600), (5000, 10382), (5191, 10000), (5800, 8950), (7160, 7250)]