12488900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1844

約数の個数: 36

約数和(自身を含む): 27498240

約数和(自身を除く): 15009340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1759, 1775, 3518, 3550, 7036, 7100, 8795, 17590, 35180, 43975, 87950, 124889, 175900, 249778, 499556, 624445, 1248890, 2497780, 3122225, 6244450, 12488900]

約数ペア:

[(1, 12488900), (2, 6244450), (4, 3122225), (5, 2497780), (10, 1248890), (20, 624445), (25, 499556), (50, 249778), (71, 175900), (100, 124889), (142, 87950), (284, 43975), (355, 35180), (710, 17590), (1420, 8795), (1759, 7100), (1775, 7036), (3518, 3550)]