254996740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{97327}}^1$

素因数の和:97467

約数の個数: 24

約数和(自身を含む): 539586432

約数和(自身を除く): 284589692

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 97327, 194654, 389308, 486635, 973270, 1946540, 12749837, 25499674, 50999348, 63749185, 127498370, 254996740]

約数ペア:

[(1, 254996740), (2, 127498370), (4, 63749185), (5, 50999348), (10, 25499674), (20, 12749837), (131, 1946540), (262, 973270), (524, 486635), (655, 389308), (1310, 194654), (2620, 97327)]