26550220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 59320800

約数和(自身を除く): 32770580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 641, 1090, 1282, 2071, 2180, 2564, 3205, 4142, 6410, 8284, 10355, 12179, 12820, 20710, 24358, 41420, 48716, 60895, 69869, 121790, 139738, 243580, 279476, 349345, 698690, 1327511, 1397380, 2655022, 5310044, 6637555, 13275110, 26550220]

約数ペア:

[(1, 26550220), (2, 13275110), (4, 6637555), (5, 5310044), (10, 2655022), (19, 1397380), (20, 1327511), (38, 698690), (76, 349345), (95, 279476), (109, 243580), (190, 139738), (218, 121790), (380, 69869), (436, 60895), (545, 48716), (641, 41420), (1090, 24358), (1282, 20710), (2071, 12820), (2180, 12179), (2564, 10355), (3205, 8284), (4142, 6410)]