85865680

素因数分解:

$2^4\times 5^1\times {\mathrm{1073321}}^1$

素因数の和:1073334

約数の個数: 20

約数和(自身を含む): 199637892

約数和(自身を除く): 113772212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073321, 2146642, 4293284, 5366605, 8586568, 10733210, 17173136, 21466420, 42932840, 85865680]

約数ペア:

[(1, 85865680), (2, 42932840), (4, 21466420), (5, 17173136), (8, 10733210), (10, 8586568), (16, 5366605), (20, 4293284), (40, 2146642), (80, 1073321)]