40807280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10853}}^1$

素因数の和:10913

約数の個数: 40

約数和(自身を含む): 96904512

約数和(自身を除く): 56097232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 10853, 21706, 43412, 54265, 86824, 108530, 173648, 217060, 434120, 510091, 868240, 1020182, 2040364, 2550455, 4080728, 5100910, 8161456, 10201820, 20403640, 40807280]

約数ペア:

[(1, 40807280), (2, 20403640), (4, 10201820), (5, 8161456), (8, 5100910), (10, 4080728), (16, 2550455), (20, 2040364), (40, 1020182), (47, 868240), (80, 510091), (94, 434120), (188, 217060), (235, 173648), (376, 108530), (470, 86824), (752, 54265), (940, 43412), (1880, 21706), (3760, 10853)]