12381850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 25435872

約数和(自身を除く): 13054022

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 443, 559, 650, 886, 1075, 1118, 2150, 2215, 2795, 4430, 5590, 5759, 11075, 11518, 13975, 19049, 22150, 27950, 28795, 38098, 57590, 95245, 143975, 190490, 247637, 287950, 476225, 495274, 952450, 1238185, 2476370, 6190925, 12381850]

約数ペア:

[(1, 12381850), (2, 6190925), (5, 2476370), (10, 1238185), (13, 952450), (25, 495274), (26, 476225), (43, 287950), (50, 247637), (65, 190490), (86, 143975), (130, 95245), (215, 57590), (325, 38098), (430, 28795), (443, 27950), (559, 22150), (650, 19049), (886, 13975), (1075, 11518), (1118, 11075), (2150, 5759), (2215, 5590), (2795, 4430)]