25488944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 56663040

約数和(自身を除く): 31174096

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 59, 62, 67, 104, 118, 124, 134, 208, 236, 248, 268, 403, 472, 496, 536, 767, 806, 871, 944, 1072, 1534, 1612, 1742, 1829, 2077, 3068, 3224, 3484, 3658, 3953, 4154, 6136, 6448, 6968, 7316, 7906, 8308, 12272, 13936, 14632, 15812, 16616, 23777, 27001, 29264, 31624, 33232, 47554, 51389, 54002, 63248, 95108, 102778, 108004, 122543, 190216, 205556, 216008, 245086, 380432, 411112, 432016, 490172, 822224, 980344, 1593059, 1960688, 3186118, 6372236, 12744472, 25488944]

約数ペア:

[(1, 25488944), (2, 12744472), (4, 6372236), (8, 3186118), (13, 1960688), (16, 1593059), (26, 980344), (31, 822224), (52, 490172), (59, 432016), (62, 411112), (67, 380432), (104, 245086), (118, 216008), (124, 205556), (134, 190216), (208, 122543), (236, 108004), (248, 102778), (268, 95108), (403, 63248), (472, 54002), (496, 51389), (536, 47554), (767, 33232), (806, 31624), (871, 29264), (944, 27001), (1072, 23777), (1534, 16616), (1612, 15812), (1742, 14632), (1829, 13936), (2077, 12272), (3068, 8308), (3224, 7906), (3484, 7316), (3658, 6968), (3953, 6448), (4154, 6136)]