80271196

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 152216064

約数和(自身を除く): 71944868

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 103, 172, 197, 206, 394, 412, 788, 989, 1978, 2369, 3956, 4429, 4531, 4738, 8471, 8858, 9062, 9476, 16942, 17716, 18124, 20291, 33884, 40582, 81164, 101867, 194833, 203734, 389666, 407468, 466693, 779332, 872513, 933386, 1745026, 1866772, 3490052, 20067799, 40135598, 80271196]

約数ペア:

[(1, 80271196), (2, 40135598), (4, 20067799), (23, 3490052), (43, 1866772), (46, 1745026), (86, 933386), (92, 872513), (103, 779332), (172, 466693), (197, 407468), (206, 389666), (394, 203734), (412, 194833), (788, 101867), (989, 81164), (1978, 40582), (2369, 33884), (3956, 20291), (4429, 18124), (4531, 17716), (4738, 16942), (8471, 9476), (8858, 9062)]