16020408080

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1871543}}^1$

素因数の和:1871663

約数の個数: 40

約数和(自身を含む): 37595575872

約数和(自身を除く): 21575167792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 1871543, 3743086, 7486172, 9357715, 14972344, 18715430, 29944688, 37430860, 74861720, 149723440, 200255101, 400510202, 801020404, 1001275505, 1602040808, 2002551010, 3204081616, 4005102020, 8010204040, 16020408080]

約数ペア:

[(1, 16020408080), (2, 8010204040), (4, 4005102020), (5, 3204081616), (8, 2002551010), (10, 1602040808), (16, 1001275505), (20, 801020404), (40, 400510202), (80, 200255101), (107, 149723440), (214, 74861720), (428, 37430860), (535, 29944688), (856, 18715430), (1070, 14972344), (1712, 9357715), (2140, 7486172), (4280, 3743086), (8560, 1871543)]