51710020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3319}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 117129600

約数和(自身を除く): 65419580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3319, 3895, 6638, 7790, 13276, 15580, 16595, 33190, 63061, 66380, 126122, 136079, 252244, 272158, 315305, 544316, 630610, 680395, 1261220, 1360790, 2585501, 2721580, 5171002, 10342004, 12927505, 25855010, 51710020]

約数ペア:

[(1, 51710020), (2, 25855010), (4, 12927505), (5, 10342004), (10, 5171002), (19, 2721580), (20, 2585501), (38, 1360790), (41, 1261220), (76, 680395), (82, 630610), (95, 544316), (164, 315305), (190, 272158), (205, 252244), (380, 136079), (410, 126122), (779, 66380), (820, 63061), (1558, 33190), (3116, 16595), (3319, 15580), (3895, 13276), (6638, 7790)]