25282010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 49230720

約数和(自身を除く): 23948710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 443, 878, 886, 2195, 2215, 4390, 4430, 5707, 5759, 11414, 11518, 28535, 28795, 57070, 57590, 194477, 388954, 972385, 1944770, 2528201, 5056402, 12641005, 25282010]

約数ペア:

[(1, 25282010), (2, 12641005), (5, 5056402), (10, 2528201), (13, 1944770), (26, 972385), (65, 388954), (130, 194477), (439, 57590), (443, 57070), (878, 28795), (886, 28535), (2195, 11518), (2215, 11414), (4390, 5759), (4430, 5707)]