20131043440

素因数分解:

$2^4\times 5^1\times {\mathrm{251638043}}^1$

素因数の和:251638056

約数の個数: 20

約数和(自身を含む): 46804676184

約数和(自身を除く): 26673632744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251638043, 503276086, 1006552172, 1258190215, 2013104344, 2516380430, 4026208688, 5032760860, 10065521720, 20131043440]

約数ペア:

[(1, 20131043440), (2, 10065521720), (4, 5032760860), (5, 4026208688), (8, 2516380430), (10, 2013104344), (16, 1258190215), (20, 1006552172), (40, 503276086), (80, 251638043)]