90334120

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{2011}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 203533920

約数和(自身を除く): 113199800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 2011, 2246, 4022, 4492, 5615, 8044, 8984, 10055, 11230, 16088, 20110, 22460, 40220, 44920, 80440, 2258353, 4516706, 9033412, 11291765, 18066824, 22583530, 45167060, 90334120]

約数ペア:

[(1, 90334120), (2, 45167060), (4, 22583530), (5, 18066824), (8, 11291765), (10, 9033412), (20, 4516706), (40, 2258353), (1123, 80440), (2011, 44920), (2246, 40220), (4022, 22460), (4492, 20110), (5615, 16088), (8044, 11230), (8984, 10055)]