1656804920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1336133}}^1$

素因数の和:1336175

約数の個数: 32

約数和(自身を含む): 3848065920

約数和(自身を除く): 2191261000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1336133, 2672266, 5344532, 6680665, 10689064, 13361330, 26722660, 41420123, 53445320, 82840246, 165680492, 207100615, 331360984, 414201230, 828402460, 1656804920]

約数ペア:

[(1, 1656804920), (2, 828402460), (4, 414201230), (5, 331360984), (8, 207100615), (10, 165680492), (20, 82840246), (31, 53445320), (40, 41420123), (62, 26722660), (124, 13361330), (155, 10689064), (248, 6680665), (310, 5344532), (620, 2672266), (1240, 1336133)]