31102480

素因数分解:

$2^4\times 5^1\times {\mathrm{388781}}^1$

素因数の和:388794

約数の個数: 20

約数和(自身を含む): 72313452

約数和(自身を除く): 41210972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388781, 777562, 1555124, 1943905, 3110248, 3887810, 6220496, 7775620, 15551240, 31102480]

約数ペア:

[(1, 31102480), (2, 15551240), (4, 7775620), (5, 6220496), (8, 3887810), (10, 3110248), (16, 1943905), (20, 1555124), (40, 777562), (80, 388781)]