157440880

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5639}}^1$

素因数の和:6001

約数の個数: 40

約数和(自身を含む): 367164000

約数和(自身を除く): 209723120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 5639, 6980, 11278, 13960, 22556, 27920, 28195, 45112, 56390, 90224, 112780, 225560, 451120, 1968011, 3936022, 7872044, 9840055, 15744088, 19680110, 31488176, 39360220, 78720440, 157440880]

約数ペア:

[(1, 157440880), (2, 78720440), (4, 39360220), (5, 31488176), (8, 19680110), (10, 15744088), (16, 9840055), (20, 7872044), (40, 3936022), (80, 1968011), (349, 451120), (698, 225560), (1396, 112780), (1745, 90224), (2792, 56390), (3490, 45112), (5584, 28195), (5639, 27920), (6980, 22556), (11278, 13960)]