81280064

素因数分解:

$2^6\times {\mathrm{1270001}}^1$

素因数の和:1270013

約数の個数: 14

約数和(自身を含む): 161290254

約数和(自身を除く): 80010190

約数列:

[1, 2, 4, 8, 16, 32, 64, 1270001, 2540002, 5080004, 10160008, 20320016, 40640032, 81280064]

約数ペア:

[(1, 81280064), (2, 40640032), (4, 20320016), (8, 10160008), (16, 5080004), (32, 2540002), (64, 1270001)]