1958980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 4215960

約数和(自身を除く): 2256980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2389, 4778, 9556, 11945, 23890, 47780, 97949, 195898, 391796, 489745, 979490, 1958980]

約数ペア:

[(1, 1958980), (2, 979490), (4, 489745), (5, 391796), (10, 195898), (20, 97949), (41, 47780), (82, 23890), (164, 11945), (205, 9556), (410, 4778), (820, 2389)]