80216205

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 131174400

約数和(自身を除く): 50958195

約数列:

[1, 3, 5, 15, 79, 139, 237, 395, 417, 487, 695, 1185, 1461, 2085, 2435, 7305, 10981, 32943, 38473, 54905, 67693, 115419, 164715, 192365, 203079, 338465, 577095, 1015395, 5347747, 16043241, 26738735, 80216205]

約数ペア:

[(1, 80216205), (3, 26738735), (5, 16043241), (15, 5347747), (79, 1015395), (139, 577095), (237, 338465), (395, 203079), (417, 192365), (487, 164715), (695, 115419), (1185, 67693), (1461, 54905), (2085, 38473), (2435, 32943), (7305, 10981)]