64638740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1693}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 143434368

約数和(自身を除く): 78795628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 830, 1660, 1693, 1909, 3386, 3818, 6772, 7636, 8465, 9545, 16930, 19090, 33860, 38180, 38939, 77878, 140519, 155756, 194695, 281038, 389390, 562076, 702595, 778780, 1405190, 2810380, 3231937, 6463874, 12927748, 16159685, 32319370, 64638740]

約数ペア:

[(1, 64638740), (2, 32319370), (4, 16159685), (5, 12927748), (10, 6463874), (20, 3231937), (23, 2810380), (46, 1405190), (83, 778780), (92, 702595), (115, 562076), (166, 389390), (230, 281038), (332, 194695), (415, 155756), (460, 140519), (830, 77878), (1660, 38939), (1693, 38180), (1909, 33860), (3386, 19090), (3818, 16930), (6772, 9545), (7636, 8465)]