12749200

素因数分解:

$2^4\times 5^2\times {\mathrm{31873}}^1$

素因数の和:31891

約数の個数: 30

約数和(自身を含む): 30630914

約数和(自身を除く): 17881714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31873, 63746, 127492, 159365, 254984, 318730, 509968, 637460, 796825, 1274920, 1593650, 2549840, 3187300, 6374600, 12749200]

約数ペア:

[(1, 12749200), (2, 6374600), (4, 3187300), (5, 2549840), (8, 1593650), (10, 1274920), (16, 796825), (20, 637460), (25, 509968), (40, 318730), (50, 254984), (80, 159365), (100, 127492), (200, 63746), (400, 31873)]