6491020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 13679568

約数和(自身を除く): 7188548

約数列:

[1, 2, 4, 5, 10, 20, 491, 661, 982, 1322, 1964, 2455, 2644, 3305, 4910, 6610, 9820, 13220, 324551, 649102, 1298204, 1622755, 3245510, 6491020]

約数ペア:

[(1, 6491020), (2, 3245510), (4, 1622755), (5, 1298204), (10, 649102), (20, 324551), (491, 13220), (661, 9820), (982, 6610), (1322, 4910), (1964, 3305), (2455, 2644)]