20128910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87517}}^1$

素因数の和:87547

約数の個数: 16

約数和(自身を含む): 37807776

約数和(自身を除く): 17678866

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87517, 175034, 437585, 875170, 2012891, 4025782, 10064455, 20128910]

約数ペア:

[(1, 20128910), (2, 10064455), (5, 4025782), (10, 2012891), (23, 875170), (46, 437585), (115, 175034), (230, 87517)]