8765240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1811}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 21689640

約数和(自身を除く): 12924400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1811, 2420, 3622, 4840, 7244, 9055, 14488, 18110, 19921, 36220, 39842, 72440, 79684, 99605, 159368, 199210, 219131, 398420, 438262, 796840, 876524, 1095655, 1753048, 2191310, 4382620, 8765240]

約数ペア:

[(1, 8765240), (2, 4382620), (4, 2191310), (5, 1753048), (8, 1095655), (10, 876524), (11, 796840), (20, 438262), (22, 398420), (40, 219131), (44, 199210), (55, 159368), (88, 99605), (110, 79684), (121, 72440), (220, 39842), (242, 36220), (440, 19921), (484, 18110), (605, 14488), (968, 9055), (1210, 7244), (1811, 4840), (2420, 3622)]