1566201040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{455291}}^1$

素因数の和:455347

約数の個数: 40

約数和(自身を含む): 3726109728

約数和(自身を除く): 2159908688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 455291, 910582, 1821164, 2276455, 3642328, 4552910, 7284656, 9105820, 18211640, 19577513, 36423280, 39155026, 78310052, 97887565, 156620104, 195775130, 313240208, 391550260, 783100520, 1566201040]

約数ペア:

[(1, 1566201040), (2, 783100520), (4, 391550260), (5, 313240208), (8, 195775130), (10, 156620104), (16, 97887565), (20, 78310052), (40, 39155026), (43, 36423280), (80, 19577513), (86, 18211640), (172, 9105820), (215, 7284656), (344, 4552910), (430, 3642328), (688, 2276455), (860, 1821164), (1720, 910582), (3440, 455291)]