85321580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{54001}}^1$

素因数の和:54089

約数の個数: 24

約数和(自身を含む): 181446720

約数和(自身を除く): 96125140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 54001, 108002, 216004, 270005, 540010, 1080020, 4266079, 8532158, 17064316, 21330395, 42660790, 85321580]

約数ペア:

[(1, 85321580), (2, 42660790), (4, 21330395), (5, 17064316), (10, 8532158), (20, 4266079), (79, 1080020), (158, 540010), (316, 270005), (395, 216004), (790, 108002), (1580, 54001)]