85345990

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{19441}}^1$

素因数の和:19887

約数の個数: 16

約数和(自身を含む): 153980640

約数和(自身を除く): 68634650

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 19441, 38882, 97205, 194410, 8534599, 17069198, 42672995, 85345990]

約数ペア:

[(1, 85345990), (2, 42672995), (5, 17069198), (10, 8534599), (439, 194410), (878, 97205), (2195, 38882), (4390, 19441)]