6821240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5501}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 15845760

約数和(自身を除く): 9024520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 5501, 11002, 22004, 27505, 44008, 55010, 110020, 170531, 220040, 341062, 682124, 852655, 1364248, 1705310, 3410620, 6821240]

約数ペア:

[(1, 6821240), (2, 3410620), (4, 1705310), (5, 1364248), (8, 852655), (10, 682124), (20, 341062), (31, 220040), (40, 170531), (62, 110020), (124, 55010), (155, 44008), (248, 27505), (310, 22004), (620, 11002), (1240, 5501)]