13457680

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 31527000

約数和(自身を除く): 18069320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1129, 1192, 1490, 2258, 2384, 2980, 4516, 5645, 5960, 9032, 11290, 11920, 18064, 22580, 45160, 90320, 168221, 336442, 672884, 841105, 1345768, 1682210, 2691536, 3364420, 6728840, 13457680]

約数ペア:

[(1, 13457680), (2, 6728840), (4, 3364420), (5, 2691536), (8, 1682210), (10, 1345768), (16, 841105), (20, 672884), (40, 336442), (80, 168221), (149, 90320), (298, 45160), (596, 22580), (745, 18064), (1129, 11920), (1192, 11290), (1490, 9032), (2258, 5960), (2384, 5645), (2980, 4516)]