165208240

素因数分解:

$2^4\times 5^1\times {\mathrm{2065103}}^1$

素因数の和:2065116

約数の個数: 20

約数和(自身を含む): 384109344

約数和(自身を除く): 218901104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2065103, 4130206, 8260412, 10325515, 16520824, 20651030, 33041648, 41302060, 82604120, 165208240]

約数ペア:

[(1, 165208240), (2, 82604120), (4, 41302060), (5, 33041648), (8, 20651030), (10, 16520824), (16, 10325515), (20, 8260412), (40, 4130206), (80, 2065103)]