55637140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213989}}^1$

素因数の和:214011

約数の個数: 24

約数和(自身を含む): 125826120

約数和(自身を除く): 70188980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 213989, 427978, 855956, 1069945, 2139890, 2781857, 4279780, 5563714, 11127428, 13909285, 27818570, 55637140]

約数ペア:

[(1, 55637140), (2, 27818570), (4, 13909285), (5, 11127428), (10, 5563714), (13, 4279780), (20, 2781857), (26, 2139890), (52, 1069945), (65, 855956), (130, 427978), (260, 213989)]