16001680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 21495920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1439, 2224, 2780, 2878, 5560, 5756, 7195, 11120, 11512, 14390, 23024, 28780, 57560, 115120, 200021, 400042, 800084, 1000105, 1600168, 2000210, 3200336, 4000420, 8000840, 16001680]

約数ペア:

[(1, 16001680), (2, 8000840), (4, 4000420), (5, 3200336), (8, 2000210), (10, 1600168), (16, 1000105), (20, 800084), (40, 400042), (80, 200021), (139, 115120), (278, 57560), (556, 28780), (695, 23024), (1112, 14390), (1390, 11512), (1439, 11120), (2224, 7195), (2780, 5756), (2878, 5560)]