1229408080

素因数分解:

$2^4\times 5^1\times {\mathrm{15367601}}^1$

素因数の和:15367614

約数の個数: 20

約数和(自身を含む): 2858373972

約数和(自身を除く): 1628965892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15367601, 30735202, 61470404, 76838005, 122940808, 153676010, 245881616, 307352020, 614704040, 1229408080]

約数ペア:

[(1, 1229408080), (2, 614704040), (4, 307352020), (5, 245881616), (8, 153676010), (10, 122940808), (16, 76838005), (20, 61470404), (40, 30735202), (80, 15367601)]