27921340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10657}}^1$

素因数の和:10797

約数の個数: 24

約数和(自身を含む): 59087952

約数和(自身を除く): 31166612

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 10657, 21314, 42628, 53285, 106570, 213140, 1396067, 2792134, 5584268, 6980335, 13960670, 27921340]

約数ペア:

[(1, 27921340), (2, 13960670), (4, 6980335), (5, 5584268), (10, 2792134), (20, 1396067), (131, 213140), (262, 106570), (524, 53285), (655, 42628), (1310, 21314), (2620, 10657)]