13302708520

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{259211}}^1$

素因数の和:260505

約数の個数: 32

約数和(自身を含む): 29954538720

約数和(自身を除く): 16651830200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 5132, 6415, 10264, 12830, 25660, 51320, 259211, 518422, 1036844, 1296055, 2073688, 2592110, 5184220, 10368440, 332567713, 665135426, 1330270852, 1662838565, 2660541704, 3325677130, 6651354260, 13302708520]

約数ペア:

[(1, 13302708520), (2, 6651354260), (4, 3325677130), (5, 2660541704), (8, 1662838565), (10, 1330270852), (20, 665135426), (40, 332567713), (1283, 10368440), (2566, 5184220), (5132, 2592110), (6415, 2073688), (10264, 1296055), (12830, 1036844), (25660, 518422), (51320, 259211)]