27486875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 39362400

約数和(自身を除く): 11875525

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 199, 221, 325, 425, 625, 995, 1105, 1625, 2125, 2587, 3383, 4975, 5525, 8125, 10625, 12935, 16915, 24875, 27625, 43979, 64675, 84575, 124375, 138125, 219895, 323375, 422875, 1099475, 1616875, 2114375, 5497375, 27486875]

約数ペア:

[(1, 27486875), (5, 5497375), (13, 2114375), (17, 1616875), (25, 1099475), (65, 422875), (85, 323375), (125, 219895), (199, 138125), (221, 124375), (325, 84575), (425, 64675), (625, 43979), (995, 27625), (1105, 24875), (1625, 16915), (2125, 12935), (2587, 10625), (3383, 8125), (4975, 5525)]