2505680

素因数分解:

$2^4\times 5^1\times {\mathrm{31321}}^1$

素因数の和:31334

約数の個数: 20

約数和(自身を含む): 5825892

約数和(自身を除く): 3320212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31321, 62642, 125284, 156605, 250568, 313210, 501136, 626420, 1252840, 2505680]

約数ペア:

[(1, 2505680), (2, 1252840), (4, 626420), (5, 501136), (8, 313210), (10, 250568), (16, 156605), (20, 125284), (40, 62642), (80, 31321)]