16945000

素因数分解:

$2^3\times 5^4\times {\mathrm{3389}}^1$

素因数の和:3415

約数の個数: 40

約数和(自身を含む): 39713850

約数和(自身を除く): 22768850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3389, 5000, 6778, 13556, 16945, 27112, 33890, 67780, 84725, 135560, 169450, 338900, 423625, 677800, 847250, 1694500, 2118125, 3389000, 4236250, 8472500, 16945000]

約数ペア:

[(1, 16945000), (2, 8472500), (4, 4236250), (5, 3389000), (8, 2118125), (10, 1694500), (20, 847250), (25, 677800), (40, 423625), (50, 338900), (100, 169450), (125, 135560), (200, 84725), (250, 67780), (500, 33890), (625, 27112), (1000, 16945), (1250, 13556), (2500, 6778), (3389, 5000)]