25639328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 59766336

約数和(自身を除く): 34127008

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 431, 572, 676, 862, 1144, 1352, 1724, 1859, 2288, 2704, 3448, 3718, 4576, 4741, 5408, 5603, 6896, 7436, 9482, 11206, 13792, 14872, 18964, 22412, 29744, 37928, 44824, 59488, 61633, 72839, 75856, 89648, 123266, 145678, 151712, 179296, 246532, 291356, 493064, 582712, 801229, 986128, 1165424, 1602458, 1972256, 2330848, 3204916, 6409832, 12819664, 25639328]

約数ペア:

[(1, 25639328), (2, 12819664), (4, 6409832), (8, 3204916), (11, 2330848), (13, 1972256), (16, 1602458), (22, 1165424), (26, 986128), (32, 801229), (44, 582712), (52, 493064), (88, 291356), (104, 246532), (143, 179296), (169, 151712), (176, 145678), (208, 123266), (286, 89648), (338, 75856), (352, 72839), (416, 61633), (431, 59488), (572, 44824), (676, 37928), (862, 29744), (1144, 22412), (1352, 18964), (1724, 14872), (1859, 13792), (2288, 11206), (2704, 9482), (3448, 7436), (3718, 6896), (4576, 5603), (4741, 5408)]