68084920

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3931}}^1$

素因数の和:4375

約数の個数: 32

約数和(自身を含む): 153583920

約数和(自身を除く): 85499000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 3931, 4330, 7862, 8660, 15724, 17320, 19655, 31448, 39310, 78620, 157240, 1702123, 3404246, 6808492, 8510615, 13616984, 17021230, 34042460, 68084920]

約数ペア:

[(1, 68084920), (2, 34042460), (4, 17021230), (5, 13616984), (8, 8510615), (10, 6808492), (20, 3404246), (40, 1702123), (433, 157240), (866, 78620), (1732, 39310), (2165, 31448), (3464, 19655), (3931, 17320), (4330, 15724), (7862, 8660)]