40321328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{81293}}^1$

素因数の和:81332

約数の個数: 20

約数和(自身を含む): 80643648

約数和(自身を除く): 40322320

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 81293, 162586, 325172, 650344, 1300688, 2520083, 5040166, 10080332, 20160664, 40321328]

約数ペア:

[(1, 40321328), (2, 20160664), (4, 10080332), (8, 5040166), (16, 2520083), (31, 1300688), (62, 650344), (124, 325172), (248, 162586), (496, 81293)]