168056540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{204947}}^1$

素因数の和:204997

約数の個数: 24

約数和(自身を含む): 361528272

約数和(自身を除く): 193471732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 204947, 409894, 819788, 1024735, 2049470, 4098940, 8402827, 16805654, 33611308, 42014135, 84028270, 168056540]

約数ペア:

[(1, 168056540), (2, 84028270), (4, 42014135), (5, 33611308), (10, 16805654), (20, 8402827), (41, 4098940), (82, 2049470), (164, 1024735), (205, 819788), (410, 409894), (820, 204947)]