16551280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10889}}^1$

素因数の和:10921

約数の個数: 40

約数和(自身を含む): 40510800

約数和(自身を除く): 23959520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10889, 21778, 43556, 54445, 87112, 108890, 174224, 206891, 217780, 413782, 435560, 827564, 871120, 1034455, 1655128, 2068910, 3310256, 4137820, 8275640, 16551280]

約数ペア:

[(1, 16551280), (2, 8275640), (4, 4137820), (5, 3310256), (8, 2068910), (10, 1655128), (16, 1034455), (19, 871120), (20, 827564), (38, 435560), (40, 413782), (76, 217780), (80, 206891), (95, 174224), (152, 108890), (190, 87112), (304, 54445), (380, 43556), (760, 21778), (1520, 10889)]