12703240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28871}}^1$

素因数の和:28893

約数の個数: 32

約数和(自身を含む): 31181760

約数和(自身を除く): 18478520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28871, 57742, 115484, 144355, 230968, 288710, 317581, 577420, 635162, 1154840, 1270324, 1587905, 2540648, 3175810, 6351620, 12703240]

約数ペア:

[(1, 12703240), (2, 6351620), (4, 3175810), (5, 2540648), (8, 1587905), (10, 1270324), (11, 1154840), (20, 635162), (22, 577420), (40, 317581), (44, 288710), (55, 230968), (88, 144355), (110, 115484), (220, 57742), (440, 28871)]