2731880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 6199200

約数和(自身を除く): 3467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 419, 652, 815, 838, 1304, 1630, 1676, 2095, 3260, 3352, 4190, 6520, 8380, 16760, 68297, 136594, 273188, 341485, 546376, 682970, 1365940, 2731880]

約数ペア:

[(1, 2731880), (2, 1365940), (4, 682970), (5, 546376), (8, 341485), (10, 273188), (20, 136594), (40, 68297), (163, 16760), (326, 8380), (419, 6520), (652, 4190), (815, 3352), (838, 3260), (1304, 2095), (1630, 1676)]