80391025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 118742400

約数和(自身を除く): 38351375

約数列:

[1, 5, 11, 13, 25, 55, 65, 113, 143, 199, 275, 325, 565, 715, 995, 1243, 1469, 2189, 2587, 2825, 3575, 4975, 6215, 7345, 10945, 12935, 16159, 22487, 28457, 31075, 36725, 54725, 64675, 80795, 112435, 142285, 247357, 292331, 403975, 562175, 711425, 1236785, 1461655, 3215641, 6183925, 7308275, 16078205, 80391025]

約数ペア:

[(1, 80391025), (5, 16078205), (11, 7308275), (13, 6183925), (25, 3215641), (55, 1461655), (65, 1236785), (113, 711425), (143, 562175), (199, 403975), (275, 292331), (325, 247357), (565, 142285), (715, 112435), (995, 80795), (1243, 64675), (1469, 54725), (2189, 36725), (2587, 31075), (2825, 28457), (3575, 22487), (4975, 16159), (6215, 12935), (7345, 10945)]