2055140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 4345152

約数和(自身を除く): 2290012

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 487, 844, 974, 1055, 1948, 2110, 2435, 4220, 4870, 9740, 102757, 205514, 411028, 513785, 1027570, 2055140]

約数ペア:

[(1, 2055140), (2, 1027570), (4, 513785), (5, 411028), (10, 205514), (20, 102757), (211, 9740), (422, 4870), (487, 4220), (844, 2435), (974, 2110), (1055, 1948)]