2691880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 6107400

約数和(自身を除く): 3415520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 389, 692, 778, 865, 1384, 1556, 1730, 1945, 3112, 3460, 3890, 6920, 7780, 15560, 67297, 134594, 269188, 336485, 538376, 672970, 1345940, 2691880]

約数ペア:

[(1, 2691880), (2, 1345940), (4, 672970), (5, 538376), (8, 336485), (10, 269188), (20, 134594), (40, 67297), (173, 15560), (346, 7780), (389, 6920), (692, 3890), (778, 3460), (865, 3112), (1384, 1945), (1556, 1730)]