2286980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 4921560

約数和(自身を除く): 2634580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2789, 5578, 11156, 13945, 27890, 55780, 114349, 228698, 457396, 571745, 1143490, 2286980]

約数ペア:

[(1, 2286980), (2, 1143490), (4, 571745), (5, 457396), (10, 228698), (20, 114349), (41, 55780), (82, 27890), (164, 13945), (205, 11156), (410, 5578), (820, 2789)]