27687160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9749}}^1$

素因数の和:9831

約数の個数: 32

約数和(自身を含む): 63180000

約数和(自身を除く): 35492840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9749, 19498, 38996, 48745, 77992, 97490, 194980, 389960, 692179, 1384358, 2768716, 3460895, 5537432, 6921790, 13843580, 27687160]

約数ペア:

[(1, 27687160), (2, 13843580), (4, 6921790), (5, 5537432), (8, 3460895), (10, 2768716), (20, 1384358), (40, 692179), (71, 389960), (142, 194980), (284, 97490), (355, 77992), (568, 48745), (710, 38996), (1420, 19498), (2840, 9749)]