12679960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 31298400

約数和(自身を除く): 18618440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 643, 680, 986, 1160, 1286, 1972, 2465, 2572, 3215, 3944, 4930, 5144, 6430, 9860, 10931, 12860, 18647, 19720, 21862, 25720, 37294, 43724, 54655, 74588, 87448, 93235, 109310, 149176, 186470, 218620, 316999, 372940, 437240, 633998, 745880, 1267996, 1584995, 2535992, 3169990, 6339980, 12679960]

約数ペア:

[(1, 12679960), (2, 6339980), (4, 3169990), (5, 2535992), (8, 1584995), (10, 1267996), (17, 745880), (20, 633998), (29, 437240), (34, 372940), (40, 316999), (58, 218620), (68, 186470), (85, 149176), (116, 109310), (136, 93235), (145, 87448), (170, 74588), (232, 54655), (290, 43724), (340, 37294), (493, 25720), (580, 21862), (643, 19720), (680, 18647), (986, 12860), (1160, 10931), (1286, 9860), (1972, 6430), (2465, 5144), (2572, 4930), (3215, 3944)]