28627625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 39137280

約数和(自身を除く): 10509655

約数列:

[1, 5, 13, 25, 65, 79, 125, 223, 325, 395, 1027, 1115, 1625, 1975, 2899, 5135, 5575, 9875, 14495, 17617, 25675, 27875, 72475, 88085, 128375, 229021, 362375, 440425, 1145105, 2202125, 5725525, 28627625]

約数ペア:

[(1, 28627625), (5, 5725525), (13, 2202125), (25, 1145105), (65, 440425), (79, 362375), (125, 229021), (223, 128375), (325, 88085), (395, 72475), (1027, 27875), (1115, 25675), (1625, 17617), (1975, 14495), (2899, 9875), (5135, 5575)]