2183668180

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{55171}}^1$

素因数の和:57159

約数の個数: 24

約数和(自身を含む): 4588103520

約数和(自身を除く): 2404435340

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 9895, 19790, 39580, 55171, 110342, 220684, 275855, 551710, 1103420, 109183409, 218366818, 436733636, 545917045, 1091834090, 2183668180]

約数ペア:

[(1, 2183668180), (2, 1091834090), (4, 545917045), (5, 436733636), (10, 218366818), (20, 109183409), (1979, 1103420), (3958, 551710), (7916, 275855), (9895, 220684), (19790, 110342), (39580, 55171)]