54380000

素因数分解:

$2^5\times 5^4\times {\mathrm{2719}}^1$

素因数の和:2749

約数の個数: 60

約数和(自身を含む): 133832160

約数和(自身を除く): 79452160

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, 2719, 4000, 5000, 5438, 10000, 10876, 13595, 20000, 21752, 27190, 43504, 54380, 67975, 87008, 108760, 135950, 217520, 271900, 339875, 435040, 543800, 679750, 1087600, 1359500, 1699375, 2175200, 2719000, 3398750, 5438000, 6797500, 10876000, 13595000, 27190000, 54380000]

約数ペア:

[(1, 54380000), (2, 27190000), (4, 13595000), (5, 10876000), (8, 6797500), (10, 5438000), (16, 3398750), (20, 2719000), (25, 2175200), (32, 1699375), (40, 1359500), (50, 1087600), (80, 679750), (100, 543800), (125, 435040), (160, 339875), (200, 271900), (250, 217520), (400, 135950), (500, 108760), (625, 87008), (800, 67975), (1000, 54380), (1250, 43504), (2000, 27190), (2500, 21752), (2719, 20000), (4000, 13595), (5000, 10876), (5438, 10000)]