51616540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3313}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 116917920

約数和(自身を除く): 65301380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3313, 3895, 6626, 7790, 13252, 15580, 16565, 33130, 62947, 66260, 125894, 135833, 251788, 271666, 314735, 543332, 629470, 679165, 1258940, 1358330, 2580827, 2716660, 5161654, 10323308, 12904135, 25808270, 51616540]

約数ペア:

[(1, 51616540), (2, 25808270), (4, 12904135), (5, 10323308), (10, 5161654), (19, 2716660), (20, 2580827), (38, 1358330), (41, 1258940), (76, 679165), (82, 629470), (95, 543332), (164, 314735), (190, 271666), (205, 251788), (380, 135833), (410, 125894), (779, 66260), (820, 62947), (1558, 33130), (3116, 16565), (3313, 15580), (3895, 13252), (6626, 7790)]