28275130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 55085184

約数和(自身を除く): 26810054

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 827, 1315, 1654, 2630, 3419, 4135, 6838, 8270, 10751, 17095, 21502, 34190, 53755, 107510, 217501, 435002, 1087505, 2175010, 2827513, 5655026, 14137565, 28275130]

約数ペア:

[(1, 28275130), (2, 14137565), (5, 5655026), (10, 2827513), (13, 2175010), (26, 1087505), (65, 435002), (130, 217501), (263, 107510), (526, 53755), (827, 34190), (1315, 21502), (1654, 17095), (2630, 10751), (3419, 8270), (4135, 6838)]