171566140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{209227}}^1$

素因数の和:209277

約数の個数: 24

約数和(自身を含む): 369078192

約数和(自身を除く): 197512052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 209227, 418454, 836908, 1046135, 2092270, 4184540, 8578307, 17156614, 34313228, 42891535, 85783070, 171566140]

約数ペア:

[(1, 171566140), (2, 85783070), (4, 42891535), (5, 34313228), (10, 17156614), (20, 8578307), (41, 4184540), (82, 2092270), (164, 1046135), (205, 836908), (410, 418454), (820, 209227)]