11661040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2053}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 27507168

約数和(自身を除く): 15846128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2053, 2840, 4106, 5680, 8212, 10265, 16424, 20530, 32848, 41060, 82120, 145763, 164240, 291526, 583052, 728815, 1166104, 1457630, 2332208, 2915260, 5830520, 11661040]

約数ペア:

[(1, 11661040), (2, 5830520), (4, 2915260), (5, 2332208), (8, 1457630), (10, 1166104), (16, 728815), (20, 583052), (40, 291526), (71, 164240), (80, 145763), (142, 82120), (284, 41060), (355, 32848), (568, 20530), (710, 16424), (1136, 10265), (1420, 8212), (2053, 5680), (2840, 4106)]