8447660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32491}}^1$

素因数の和:32513

約数の個数: 24

約数和(自身を含む): 19105296

約数和(自身を除く): 10657636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32491, 64982, 129964, 162455, 324910, 422383, 649820, 844766, 1689532, 2111915, 4223830, 8447660]

約数ペア:

[(1, 8447660), (2, 4223830), (4, 2111915), (5, 1689532), (10, 844766), (13, 649820), (20, 422383), (26, 324910), (52, 162455), (65, 129964), (130, 64982), (260, 32491)]