85397680

素因数分解:

$2^4\times 5^1\times {\mathrm{1067471}}^1$

素因数の和:1067484

約数の個数: 20

約数和(自身を含む): 198549792

約数和(自身を除く): 113152112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1067471, 2134942, 4269884, 5337355, 8539768, 10674710, 17079536, 21349420, 42698840, 85397680]

約数ペア:

[(1, 85397680), (2, 42698840), (4, 21349420), (5, 17079536), (8, 10674710), (10, 8539768), (16, 5337355), (20, 4269884), (40, 2134942), (80, 1067471)]