7857650480

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{221717}}^1$

素因数の和:222173

約数の個数: 40

約数和(自身を含む): 18310359312

約数和(自身を除く): 10452708832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 17720, 35440, 221717, 443434, 886868, 1108585, 1773736, 2217170, 3547472, 4434340, 8868680, 17737360, 98220631, 196441262, 392882524, 491103155, 785765048, 982206310, 1571530096, 1964412620, 3928825240, 7857650480]

約数ペア:

[(1, 7857650480), (2, 3928825240), (4, 1964412620), (5, 1571530096), (8, 982206310), (10, 785765048), (16, 491103155), (20, 392882524), (40, 196441262), (80, 98220631), (443, 17737360), (886, 8868680), (1772, 4434340), (2215, 3547472), (3544, 2217170), (4430, 1773736), (7088, 1108585), (8860, 886868), (17720, 443434), (35440, 221717)]