81448180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7877}}^1$

素因数の和:7944

約数の個数: 48

約数和(自身を含む): 190584576

約数和(自身を除く): 109136396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 7877, 10340, 15754, 31508, 39385, 78770, 86647, 157540, 173294, 346588, 370219, 433235, 740438, 866470, 1480876, 1732940, 1851095, 3702190, 4072409, 7404380, 8144818, 16289636, 20362045, 40724090, 81448180]

約数ペア:

[(1, 81448180), (2, 40724090), (4, 20362045), (5, 16289636), (10, 8144818), (11, 7404380), (20, 4072409), (22, 3702190), (44, 1851095), (47, 1732940), (55, 1480876), (94, 866470), (110, 740438), (188, 433235), (220, 370219), (235, 346588), (470, 173294), (517, 157540), (940, 86647), (1034, 78770), (2068, 39385), (2585, 31508), (5170, 15754), (7877, 10340)]