26958880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 72

約数和(自身を含む): 69035652

約数和(自身を除く): 42076772

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 997, 1040, 1352, 1690, 1994, 2080, 2704, 3380, 3988, 4985, 5408, 6760, 7976, 9970, 12961, 13520, 15952, 19940, 25922, 27040, 31904, 39880, 51844, 64805, 79760, 103688, 129610, 159520, 168493, 207376, 259220, 336986, 414752, 518440, 673972, 842465, 1036880, 1347944, 1684930, 2073760, 2695888, 3369860, 5391776, 6739720, 13479440, 26958880]

約数ペア:

[(1, 26958880), (2, 13479440), (4, 6739720), (5, 5391776), (8, 3369860), (10, 2695888), (13, 2073760), (16, 1684930), (20, 1347944), (26, 1036880), (32, 842465), (40, 673972), (52, 518440), (65, 414752), (80, 336986), (104, 259220), (130, 207376), (160, 168493), (169, 159520), (208, 129610), (260, 103688), (338, 79760), (416, 64805), (520, 51844), (676, 39880), (845, 31904), (997, 27040), (1040, 25922), (1352, 19940), (1690, 15952), (1994, 13520), (2080, 12961), (2704, 9970), (3380, 7976), (3988, 6760), (4985, 5408)]