4952740

素因数分解:

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

素因数の和:508

約数の個数: 48

約数和(自身を含む): 11487168

約数和(自身を除く): 6534428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 443, 559, 860, 886, 1118, 1772, 2215, 2236, 2795, 4430, 5590, 5759, 8860, 11180, 11518, 19049, 23036, 28795, 38098, 57590, 76196, 95245, 115180, 190490, 247637, 380980, 495274, 990548, 1238185, 2476370, 4952740]

約数ペア:

[(1, 4952740), (2, 2476370), (4, 1238185), (5, 990548), (10, 495274), (13, 380980), (20, 247637), (26, 190490), (43, 115180), (52, 95245), (65, 76196), (86, 57590), (130, 38098), (172, 28795), (215, 23036), (260, 19049), (430, 11518), (443, 11180), (559, 8860), (860, 5759), (886, 5590), (1118, 4430), (1772, 2795), (2215, 2236)]