64126660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246641}}^1$

素因数の和:246663

約数の個数: 24

約数和(自身を含む): 145025496

約数和(自身を除く): 80898836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 246641, 493282, 986564, 1233205, 2466410, 3206333, 4932820, 6412666, 12825332, 16031665, 32063330, 64126660]

約数ペア:

[(1, 64126660), (2, 32063330), (4, 16031665), (5, 12825332), (10, 6412666), (13, 4932820), (20, 3206333), (26, 2466410), (52, 1233205), (65, 986564), (130, 493282), (260, 246641)]