11909320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 26966520

約数和(自身を除く): 15057200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1721, 1730, 3442, 3460, 6884, 6920, 8605, 13768, 17210, 34420, 68840, 297733, 595466, 1190932, 1488665, 2381864, 2977330, 5954660, 11909320]

約数ペア:

[(1, 11909320), (2, 5954660), (4, 2977330), (5, 2381864), (8, 1488665), (10, 1190932), (20, 595466), (40, 297733), (173, 68840), (346, 34420), (692, 17210), (865, 13768), (1384, 8605), (1721, 6920), (1730, 6884), (3442, 3460)]