17390960

素因数分解:

$2^4\times 5^1\times {\mathrm{217387}}^1$

素因数の和:217400

約数の個数: 20

約数和(自身を含む): 40434168

約数和(自身を除く): 23043208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217387, 434774, 869548, 1086935, 1739096, 2173870, 3478192, 4347740, 8695480, 17390960]

約数ペア:

[(1, 17390960), (2, 8695480), (4, 4347740), (5, 3478192), (8, 2173870), (10, 1739096), (16, 1086935), (20, 869548), (40, 434774), (80, 217387)]