40318520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2196

約数の個数: 64

約数和(自身を含む): 101312640

約数和(自身を除く): 60994120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2131, 2365, 3784, 4262, 4730, 8524, 9460, 10655, 17048, 18920, 21310, 23441, 42620, 46882, 85240, 91633, 93764, 117205, 183266, 187528, 234410, 366532, 458165, 468820, 733064, 916330, 937640, 1007963, 1832660, 2015926, 3665320, 4031852, 5039815, 8063704, 10079630, 20159260, 40318520]

約数ペア:

[(1, 40318520), (2, 20159260), (4, 10079630), (5, 8063704), (8, 5039815), (10, 4031852), (11, 3665320), (20, 2015926), (22, 1832660), (40, 1007963), (43, 937640), (44, 916330), (55, 733064), (86, 468820), (88, 458165), (110, 366532), (172, 234410), (215, 187528), (220, 183266), (344, 117205), (430, 93764), (440, 91633), (473, 85240), (860, 46882), (946, 42620), (1720, 23441), (1892, 21310), (2131, 18920), (2365, 17048), (3784, 10655), (4262, 9460), (4730, 8524)]