85159720

素因数分解:

$2^3\times 5^1\times {\mathrm{2128993}}^1$

素因数の和:2129004

約数の個数: 16

約数和(自身を含む): 191609460

約数和(自身を除く): 106449740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2128993, 4257986, 8515972, 10644965, 17031944, 21289930, 42579860, 85159720]

約数ペア:

[(1, 85159720), (2, 42579860), (4, 21289930), (5, 17031944), (8, 10644965), (10, 8515972), (20, 4257986), (40, 2128993)]