12491180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 16085620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 449, 535, 898, 1070, 1391, 1796, 2140, 2245, 2782, 4490, 5564, 5837, 6955, 8980, 11674, 13910, 23348, 27820, 29185, 48043, 58370, 96086, 116740, 192172, 240215, 480430, 624559, 960860, 1249118, 2498236, 3122795, 6245590, 12491180]

約数ペア:

[(1, 12491180), (2, 6245590), (4, 3122795), (5, 2498236), (10, 1249118), (13, 960860), (20, 624559), (26, 480430), (52, 240215), (65, 192172), (107, 116740), (130, 96086), (214, 58370), (260, 48043), (428, 29185), (449, 27820), (535, 23348), (898, 13910), (1070, 11674), (1391, 8980), (1796, 6955), (2140, 5837), (2245, 5564), (2782, 4490)]