1022920120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{594721}}^1$

素因数の和:594775

約数の個数: 32

約数和(自身を含む): 2355099120

約数和(自身を除く): 1332179000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 594721, 1189442, 2378884, 2973605, 4757768, 5947210, 11894420, 23788840, 25573003, 51146006, 102292012, 127865015, 204584024, 255730030, 511460060, 1022920120]

約数ペア:

[(1, 1022920120), (2, 511460060), (4, 255730030), (5, 204584024), (8, 127865015), (10, 102292012), (20, 51146006), (40, 25573003), (43, 23788840), (86, 11894420), (172, 5947210), (215, 4757768), (344, 2973605), (430, 2378884), (860, 1189442), (1720, 594721)]