80468180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309493}}^1$

素因数の和:309515

約数の個数: 24

約数和(自身を含む): 181982472

約数和(自身を除く): 101514292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 309493, 618986, 1237972, 1547465, 3094930, 4023409, 6189860, 8046818, 16093636, 20117045, 40234090, 80468180]

約数ペア:

[(1, 80468180), (2, 40234090), (4, 20117045), (5, 16093636), (10, 8046818), (13, 6189860), (20, 4023409), (26, 3094930), (52, 1547465), (65, 1237972), (130, 618986), (260, 309493)]