23891660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 55314336

約数和(自身を除く): 31422676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2137, 2236, 2795, 4274, 5590, 8548, 10685, 11180, 21370, 27781, 42740, 55562, 91891, 111124, 138905, 183782, 277810, 367564, 459455, 555620, 918910, 1194583, 1837820, 2389166, 4778332, 5972915, 11945830, 23891660]

約数ペア:

[(1, 23891660), (2, 11945830), (4, 5972915), (5, 4778332), (10, 2389166), (13, 1837820), (20, 1194583), (26, 918910), (43, 555620), (52, 459455), (65, 367564), (86, 277810), (130, 183782), (172, 138905), (215, 111124), (260, 91891), (430, 55562), (559, 42740), (860, 27781), (1118, 21370), (2137, 11180), (2236, 10685), (2795, 8548), (4274, 5590)]