86690000

素因数分解:

$2^4\times 5^4\times {\mathrm{8669}}^1$

素因数の和:8697

約数の個数: 50

約数和(自身を含む): 209909370

約数和(自身を除く): 123219370

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8669, 10000, 17338, 34676, 43345, 69352, 86690, 138704, 173380, 216725, 346760, 433450, 693520, 866900, 1083625, 1733800, 2167250, 3467600, 4334500, 5418125, 8669000, 10836250, 17338000, 21672500, 43345000, 86690000]

約数ペア:

[(1, 86690000), (2, 43345000), (4, 21672500), (5, 17338000), (8, 10836250), (10, 8669000), (16, 5418125), (20, 4334500), (25, 3467600), (40, 2167250), (50, 1733800), (80, 1083625), (100, 866900), (125, 693520), (200, 433450), (250, 346760), (400, 216725), (500, 173380), (625, 138704), (1000, 86690), (1250, 69352), (2000, 43345), (2500, 34676), (5000, 17338), (8669, 10000)]