1252880

素因数分解:

$2^4\times 5^1\times {\mathrm{15661}}^1$

素因数の和:15674

約数の個数: 20

約数和(自身を含む): 2913132

約数和(自身を除く): 1660252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15661, 31322, 62644, 78305, 125288, 156610, 250576, 313220, 626440, 1252880]

約数ペア:

[(1, 1252880), (2, 626440), (4, 313220), (5, 250576), (8, 156610), (10, 125288), (16, 78305), (20, 62644), (40, 31322), (80, 15661)]