8270320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5441}}^1$

素因数の和:5473

約数の個数: 40

約数和(自身を含む): 20244240

約数和(自身を除く): 11973920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5441, 10882, 21764, 27205, 43528, 54410, 87056, 103379, 108820, 206758, 217640, 413516, 435280, 516895, 827032, 1033790, 1654064, 2067580, 4135160, 8270320]

約数ペア:

[(1, 8270320), (2, 4135160), (4, 2067580), (5, 1654064), (8, 1033790), (10, 827032), (16, 516895), (19, 435280), (20, 413516), (38, 217640), (40, 206758), (76, 108820), (80, 103379), (95, 87056), (152, 54410), (190, 43528), (304, 27205), (380, 21764), (760, 10882), (1520, 5441)]