40720790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9029}}^1$

素因数の和:9088

約数の個数: 32

約数和(自身を含む): 81920160

約数和(自身を除く): 41199370

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 9029, 18058, 45145, 90290, 99319, 198638, 370189, 496595, 740378, 993190, 1850945, 3701890, 4072079, 8144158, 20360395, 40720790]

約数ペア:

[(1, 40720790), (2, 20360395), (5, 8144158), (10, 4072079), (11, 3701890), (22, 1850945), (41, 993190), (55, 740378), (82, 496595), (110, 370189), (205, 198638), (410, 99319), (451, 90290), (902, 45145), (2255, 18058), (4510, 9029)]