71397680

素因数分解:

$2^4\times 5^1\times {\mathrm{892471}}^1$

素因数の和:892484

約数の個数: 20

約数和(自身を含む): 165999792

約数和(自身を除く): 94602112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 892471, 1784942, 3569884, 4462355, 7139768, 8924710, 14279536, 17849420, 35698840, 71397680]

約数ペア:

[(1, 71397680), (2, 35698840), (4, 17849420), (5, 14279536), (8, 8924710), (10, 7139768), (16, 4462355), (20, 3569884), (40, 1784942), (80, 892471)]