82220000

素因数分解:

$2^5\times 5^4\times {\mathrm{4111}}^1$

素因数の和:4141

約数の個数: 60

約数和(自身を含む): 202322736

約数和(自身を除く): 120102736

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, 4111, 5000, 8222, 10000, 16444, 20000, 20555, 32888, 41110, 65776, 82220, 102775, 131552, 164440, 205550, 328880, 411100, 513875, 657760, 822200, 1027750, 1644400, 2055500, 2569375, 3288800, 4111000, 5138750, 8222000, 10277500, 16444000, 20555000, 41110000, 82220000]

約数ペア:

[(1, 82220000), (2, 41110000), (4, 20555000), (5, 16444000), (8, 10277500), (10, 8222000), (16, 5138750), (20, 4111000), (25, 3288800), (32, 2569375), (40, 2055500), (50, 1644400), (80, 1027750), (100, 822200), (125, 657760), (160, 513875), (200, 411100), (250, 328880), (400, 205550), (500, 164440), (625, 131552), (800, 102775), (1000, 82220), (1250, 65776), (2000, 41110), (2500, 32888), (4000, 20555), (4111, 20000), (5000, 16444), (8222, 10000)]