1056980

素因数分解:

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

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 2275560

約数和(自身を除く): 1218580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1289, 2578, 5156, 6445, 12890, 25780, 52849, 105698, 211396, 264245, 528490, 1056980]

約数ペア:

[(1, 1056980), (2, 528490), (4, 264245), (5, 211396), (10, 105698), (20, 52849), (41, 25780), (82, 12890), (164, 6445), (205, 5156), (410, 2578), (820, 1289)]