25406480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28871}}^1$

素因数の和:28895

約数の個数: 40

約数和(自身を含む): 64442304

約数和(自身を除く): 39035824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28871, 57742, 115484, 144355, 230968, 288710, 317581, 461936, 577420, 635162, 1154840, 1270324, 1587905, 2309680, 2540648, 3175810, 5081296, 6351620, 12703240, 25406480]

約数ペア:

[(1, 25406480), (2, 12703240), (4, 6351620), (5, 5081296), (8, 3175810), (10, 2540648), (11, 2309680), (16, 1587905), (20, 1270324), (22, 1154840), (40, 635162), (44, 577420), (55, 461936), (80, 317581), (88, 288710), (110, 230968), (176, 144355), (220, 115484), (440, 57742), (880, 28871)]