80439268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 177085440

約数和(自身を除く): 96646172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 169, 178, 182, 191, 338, 356, 364, 382, 623, 676, 764, 1157, 1183, 1246, 1337, 2314, 2366, 2483, 2492, 2674, 4628, 4732, 4966, 5348, 8099, 9932, 15041, 16198, 16999, 17381, 30082, 32279, 32396, 33998, 34762, 60164, 64558, 67996, 69524, 105287, 118993, 129116, 210574, 220987, 225953, 237986, 421148, 441974, 451906, 475972, 883948, 903812, 1546909, 2872831, 3093818, 5745662, 6187636, 11491324, 20109817, 40219634, 80439268]

約数ペア:

[(1, 80439268), (2, 40219634), (4, 20109817), (7, 11491324), (13, 6187636), (14, 5745662), (26, 3093818), (28, 2872831), (52, 1546909), (89, 903812), (91, 883948), (169, 475972), (178, 451906), (182, 441974), (191, 421148), (338, 237986), (356, 225953), (364, 220987), (382, 210574), (623, 129116), (676, 118993), (764, 105287), (1157, 69524), (1183, 67996), (1246, 64558), (1337, 60164), (2314, 34762), (2366, 33998), (2483, 32396), (2492, 32279), (2674, 30082), (4628, 17381), (4732, 16999), (4966, 16198), (5348, 15041), (8099, 9932)]