65677820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252607}}^1$

素因数の和:252629

約数の個数: 24

約数和(自身を含む): 148533504

約数和(自身を除く): 82855684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 252607, 505214, 1010428, 1263035, 2526070, 3283891, 5052140, 6567782, 13135564, 16419455, 32838910, 65677820]

約数ペア:

[(1, 65677820), (2, 32838910), (4, 16419455), (5, 13135564), (10, 6567782), (13, 5052140), (20, 3283891), (26, 2526070), (52, 1263035), (65, 1010428), (130, 505214), (260, 252607)]