1778804920

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{43133}}^1$

素因数の和:44175

約数の個数: 32

約数和(自身を含む): 4006285920

約数和(自身を除く): 2227481000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240, 43133, 86266, 172532, 215665, 345064, 431330, 862660, 1725320, 44470123, 88940246, 177880492, 222350615, 355760984, 444701230, 889402460, 1778804920]

約数ペア:

[(1, 1778804920), (2, 889402460), (4, 444701230), (5, 355760984), (8, 222350615), (10, 177880492), (20, 88940246), (40, 44470123), (1031, 1725320), (2062, 862660), (4124, 431330), (5155, 345064), (8248, 215665), (10310, 172532), (20620, 86266), (41240, 43133)]