39107920

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2731}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 91467360

約数和(自身を除く): 52359440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2731, 2864, 3580, 5462, 7160, 10924, 13655, 14320, 21848, 27310, 43696, 54620, 109240, 218480, 488849, 977698, 1955396, 2444245, 3910792, 4888490, 7821584, 9776980, 19553960, 39107920]

約数ペア:

[(1, 39107920), (2, 19553960), (4, 9776980), (5, 7821584), (8, 4888490), (10, 3910792), (16, 2444245), (20, 1955396), (40, 977698), (80, 488849), (179, 218480), (358, 109240), (716, 54620), (895, 43696), (1432, 27310), (1790, 21848), (2731, 14320), (2864, 13655), (3580, 10924), (5462, 7160)]