3120440

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 7076160

約数和(自身を除く): 3955720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 431, 724, 862, 905, 1448, 1724, 1810, 2155, 3448, 3620, 4310, 7240, 8620, 17240, 78011, 156022, 312044, 390055, 624088, 780110, 1560220, 3120440]

約数ペア:

[(1, 3120440), (2, 1560220), (4, 780110), (5, 624088), (8, 390055), (10, 312044), (20, 156022), (40, 78011), (181, 17240), (362, 8620), (431, 7240), (724, 4310), (862, 3620), (905, 3448), (1448, 2155), (1724, 1810)]