12498520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1153}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 28249920

約数和(自身を除く): 15751400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1153, 1355, 2168, 2306, 2710, 4612, 5420, 5765, 9224, 10840, 11530, 23060, 46120, 312463, 624926, 1249852, 1562315, 2499704, 3124630, 6249260, 12498520]

約数ペア:

[(1, 12498520), (2, 6249260), (4, 3124630), (5, 2499704), (8, 1562315), (10, 1249852), (20, 624926), (40, 312463), (271, 46120), (542, 23060), (1084, 11530), (1153, 10840), (1355, 9224), (2168, 5765), (2306, 5420), (2710, 4612)]