2113960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 4876200

約数和(自身を除く): 2762240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1289, 1640, 2578, 5156, 6445, 10312, 12890, 25780, 51560, 52849, 105698, 211396, 264245, 422792, 528490, 1056980, 2113960]

約数ペア:

[(1, 2113960), (2, 1056980), (4, 528490), (5, 422792), (8, 264245), (10, 211396), (20, 105698), (40, 52849), (41, 51560), (82, 25780), (164, 12890), (205, 10312), (328, 6445), (410, 5156), (820, 2578), (1289, 1640)]