25431890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5639}}^1$

素因数の和:5698

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 25734190

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 5639, 11278, 28195, 56390, 62029, 124058, 231199, 310145, 462398, 620290, 1155995, 2311990, 2543189, 5086378, 12715945, 25431890]

約数ペア:

[(1, 25431890), (2, 12715945), (5, 5086378), (10, 2543189), (11, 2311990), (22, 1155995), (41, 620290), (55, 462398), (82, 310145), (110, 231199), (205, 124058), (410, 62029), (451, 56390), (902, 28195), (2255, 11278), (4510, 5639)]