161925740

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{6577}}^1$

素因数の和:7817

約数の個数: 24

約数和(自身を含む): 340372032

約数和(自身を除く): 178446292

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 4924, 6155, 6577, 12310, 13154, 24620, 26308, 32885, 65770, 131540, 8096287, 16192574, 32385148, 40481435, 80962870, 161925740]

約数ペア:

[(1, 161925740), (2, 80962870), (4, 40481435), (5, 32385148), (10, 16192574), (20, 8096287), (1231, 131540), (2462, 65770), (4924, 32885), (6155, 26308), (6577, 24620), (12310, 13154)]