64053320

素因数分解:

$2^3\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1709}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 144358200

約数和(自身を除く): 80304880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 937, 1709, 1874, 3418, 3748, 4685, 6836, 7496, 8545, 9370, 13672, 17090, 18740, 34180, 37480, 68360, 1601333, 3202666, 6405332, 8006665, 12810664, 16013330, 32026660, 64053320]

約数ペア:

[(1, 64053320), (2, 32026660), (4, 16013330), (5, 12810664), (8, 8006665), (10, 6405332), (20, 3202666), (40, 1601333), (937, 68360), (1709, 37480), (1874, 34180), (3418, 18740), (3748, 17090), (4685, 13672), (6836, 9370), (7496, 8545)]