2261309080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1378847}}^1$

素因数の和:1378899

約数の個数: 32

約数和(自身を含む): 5212045440

約数和(自身を除く): 2950736360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1378847, 2757694, 5515388, 6894235, 11030776, 13788470, 27576940, 55153880, 56532727, 113065454, 226130908, 282663635, 452261816, 565327270, 1130654540, 2261309080]

約数ペア:

[(1, 2261309080), (2, 1130654540), (4, 565327270), (5, 452261816), (8, 282663635), (10, 226130908), (20, 113065454), (40, 56532727), (41, 55153880), (82, 27576940), (164, 13788470), (205, 11030776), (328, 6894235), (410, 5515388), (820, 2757694), (1640, 1378847)]