165728380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{85427}}^1$

素因数の和:85533

約数の個数: 24

約数和(自身を含む): 351621648

約数和(自身を除く): 185893268

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 85427, 170854, 341708, 427135, 854270, 1708540, 8286419, 16572838, 33145676, 41432095, 82864190, 165728380]

約数ペア:

[(1, 165728380), (2, 82864190), (4, 41432095), (5, 33145676), (10, 16572838), (20, 8286419), (97, 1708540), (194, 854270), (388, 427135), (485, 341708), (970, 170854), (1940, 85427)]