17938000

素因数分解:

$2^4\times 5^3\times {\mathrm{8969}}^1$

素因数の和:8992

約数の個数: 40

約数和(自身を含む): 43378920

約数和(自身を除く): 25440920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 8969, 17938, 35876, 44845, 71752, 89690, 143504, 179380, 224225, 358760, 448450, 717520, 896900, 1121125, 1793800, 2242250, 3587600, 4484500, 8969000, 17938000]

約数ペア:

[(1, 17938000), (2, 8969000), (4, 4484500), (5, 3587600), (8, 2242250), (10, 1793800), (16, 1121125), (20, 896900), (25, 717520), (40, 448450), (50, 358760), (80, 224225), (100, 179380), (125, 143504), (200, 89690), (250, 71752), (400, 44845), (500, 35876), (1000, 17938), (2000, 8969)]