27916812625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{217463}}^1$

素因数の和:217570

約数の個数: 32

約数和(自身を含む): 37995310080

約数和(自身を除く): 10078497455

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 1027, 1625, 1975, 5135, 9875, 25675, 128375, 217463, 1087315, 2827019, 5436575, 14135095, 17179577, 27182875, 70675475, 85897885, 223334501, 353377375, 429489425, 1116672505, 2147447125, 5583362525, 27916812625]

約数ペア:

[(1, 27916812625), (5, 5583362525), (13, 2147447125), (25, 1116672505), (65, 429489425), (79, 353377375), (125, 223334501), (325, 85897885), (395, 70675475), (1027, 27182875), (1625, 17179577), (1975, 14135095), (5135, 5436575), (9875, 2827019), (25675, 1087315), (128375, 217463)]