84380000

素因数分解:

$2^5\times 5^4\times {\mathrm{4219}}^1$

素因数の和:4249

約数の個数: 60

約数和(自身を含む): 207636660

約数和(自身を除く): 123256660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4219, 5000, 8438, 10000, 16876, 20000, 21095, 33752, 42190, 67504, 84380, 105475, 135008, 168760, 210950, 337520, 421900, 527375, 675040, 843800, 1054750, 1687600, 2109500, 2636875, 3375200, 4219000, 5273750, 8438000, 10547500, 16876000, 21095000, 42190000, 84380000]

約数ペア:

[(1, 84380000), (2, 42190000), (4, 21095000), (5, 16876000), (8, 10547500), (10, 8438000), (16, 5273750), (20, 4219000), (25, 3375200), (32, 2636875), (40, 2109500), (50, 1687600), (80, 1054750), (100, 843800), (125, 675040), (160, 527375), (200, 421900), (250, 337520), (400, 210950), (500, 168760), (625, 135008), (800, 105475), (1000, 84380), (1250, 67504), (2000, 42190), (2500, 33752), (4000, 21095), (4219, 20000), (5000, 16876), (8438, 10000)]