12938000

素因数分解:

$2^4\times 5^3\times {\mathrm{6469}}^1$

素因数の和:6492

約数の個数: 40

約数和(自身を含む): 31288920

約数和(自身を除く): 18350920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6469, 12938, 25876, 32345, 51752, 64690, 103504, 129380, 161725, 258760, 323450, 517520, 646900, 808625, 1293800, 1617250, 2587600, 3234500, 6469000, 12938000]

約数ペア:

[(1, 12938000), (2, 6469000), (4, 3234500), (5, 2587600), (8, 1617250), (10, 1293800), (16, 808625), (20, 646900), (25, 517520), (40, 323450), (50, 258760), (80, 161725), (100, 129380), (125, 103504), (200, 64690), (250, 51752), (400, 32345), (500, 25876), (1000, 12938), (2000, 6469)]