28995640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31517}}^1$

素因数の和:31551

約数の個数: 32

約数和(自身を含む): 68078880

約数和(自身を除く): 39083240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31517, 63034, 126068, 157585, 252136, 315170, 630340, 724891, 1260680, 1449782, 2899564, 3624455, 5799128, 7248910, 14497820, 28995640]

約数ペア:

[(1, 28995640), (2, 14497820), (4, 7248910), (5, 5799128), (8, 3624455), (10, 2899564), (20, 1449782), (23, 1260680), (40, 724891), (46, 630340), (92, 315170), (115, 252136), (184, 157585), (230, 126068), (460, 63034), (920, 31517)]