258520610

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{255961}}^1$

素因数の和:256069

約数の個数: 16

約数和(自身を含む): 469946232

約数和(自身を除く): 211425622

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 255961, 511922, 1279805, 2559610, 25852061, 51704122, 129260305, 258520610]

約数ペア:

[(1, 258520610), (2, 129260305), (5, 51704122), (10, 25852061), (101, 2559610), (202, 1279805), (505, 511922), (1010, 255961)]