2210920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 5137920

約数和(自身を除く): 2927000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1783, 3566, 7132, 8915, 14264, 17830, 35660, 55273, 71320, 110546, 221092, 276365, 442184, 552730, 1105460, 2210920]

約数ペア:

[(1, 2210920), (2, 1105460), (4, 552730), (5, 442184), (8, 276365), (10, 221092), (20, 110546), (31, 71320), (40, 55273), (62, 35660), (124, 17830), (155, 14264), (248, 8915), (310, 7132), (620, 3566), (1240, 1783)]