12760475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 7238245

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 79, 91, 175, 325, 355, 395, 455, 497, 553, 923, 1027, 1775, 1975, 2275, 2485, 2765, 4615, 5135, 5609, 6461, 7189, 12425, 13825, 23075, 25675, 28045, 32305, 35945, 39263, 72917, 140225, 161525, 179725, 196315, 364585, 510419, 981575, 1822925, 2552095, 12760475]

約数ペア:

[(1, 12760475), (5, 2552095), (7, 1822925), (13, 981575), (25, 510419), (35, 364585), (65, 196315), (71, 179725), (79, 161525), (91, 140225), (175, 72917), (325, 39263), (355, 35945), (395, 32305), (455, 28045), (497, 25675), (553, 23075), (923, 13825), (1027, 12425), (1775, 7189), (1975, 6461), (2275, 5609), (2485, 5135), (2765, 4615)]