207853120

素因数分解:

$2^6\times 5^1\times {\mathrm{649541}}^1$

素因数の和:649558

約数の個数: 28

約数和(自身を含む): 494951004

約数和(自身を除く): 287097884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 649541, 1299082, 2598164, 3247705, 5196328, 6495410, 10392656, 12990820, 20785312, 25981640, 41570624, 51963280, 103926560, 207853120]

約数ペア:

[(1, 207853120), (2, 103926560), (4, 51963280), (5, 41570624), (8, 25981640), (10, 20785312), (16, 12990820), (20, 10392656), (32, 6495410), (40, 5196328), (64, 3247705), (80, 2598164), (160, 1299082), (320, 649541)]