40728680

素因数分解:

$2^3\times 5^1\times {\mathrm{1018217}}^1$

素因数の和:1018228

約数の個数: 16

約数和(自身を含む): 91639620

約数和(自身を除く): 50910940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1018217, 2036434, 4072868, 5091085, 8145736, 10182170, 20364340, 40728680]

約数ペア:

[(1, 40728680), (2, 20364340), (4, 10182170), (5, 8145736), (8, 5091085), (10, 4072868), (20, 2036434), (40, 1018217)]