2017836880

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{39227}}^1$

素因数の和:39883

約数の個数: 40

約数和(自身を含む): 4698886752

約数和(自身を除く): 2681049872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 25720, 39227, 51440, 78454, 156908, 196135, 313816, 392270, 627632, 784540, 1569080, 3138160, 25222961, 50445922, 100891844, 126114805, 201783688, 252229610, 403567376, 504459220, 1008918440, 2017836880]

約数ペア:

[(1, 2017836880), (2, 1008918440), (4, 504459220), (5, 403567376), (8, 252229610), (10, 201783688), (16, 126114805), (20, 100891844), (40, 50445922), (80, 25222961), (643, 3138160), (1286, 1569080), (2572, 784540), (3215, 627632), (5144, 392270), (6430, 313816), (10288, 196135), (12860, 156908), (25720, 78454), (39227, 51440)]