39909490

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{9091}}^1$

素因数の和:9537

約数の個数: 16

約数和(自身を含む): 72008640

約数和(自身を除く): 32099150

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 9091, 18182, 45455, 90910, 3990949, 7981898, 19954745, 39909490]

約数ペア:

[(1, 39909490), (2, 19954745), (5, 7981898), (10, 3990949), (439, 90910), (878, 45455), (2195, 18182), (4390, 9091)]