2000907520

素因数分解:

$2^8\times 5^1\times {\mathrm{1563209}}^1$

素因数の和:1563230

約数の個数: 36

約数和(自身を含む): 4792801860

約数和(自身を除く): 2791894340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1563209, 3126418, 6252836, 7816045, 12505672, 15632090, 25011344, 31264180, 50022688, 62528360, 100045376, 125056720, 200090752, 250113440, 400181504, 500226880, 1000453760, 2000907520]

約数ペア:

[(1, 2000907520), (2, 1000453760), (4, 500226880), (5, 400181504), (8, 250113440), (10, 200090752), (16, 125056720), (20, 100045376), (32, 62528360), (40, 50022688), (64, 31264180), (80, 25011344), (128, 15632090), (160, 12505672), (256, 7816045), (320, 6252836), (640, 3126418), (1280, 1563209)]