128211320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{110527}}^1$

素因数の和:110567

約数の個数: 32

約数和(自身を含む): 298425600

約数和(自身を除く): 170214280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 110527, 221054, 442108, 552635, 884216, 1105270, 2210540, 3205283, 4421080, 6410566, 12821132, 16026415, 25642264, 32052830, 64105660, 128211320]

約数ペア:

[(1, 128211320), (2, 64105660), (4, 32052830), (5, 25642264), (8, 16026415), (10, 12821132), (20, 6410566), (29, 4421080), (40, 3205283), (58, 2210540), (116, 1105270), (145, 884216), (232, 552635), (290, 442108), (580, 221054), (1160, 110527)]