38961340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 89681760

約数和(自身を除く): 50720420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 433, 818, 866, 1636, 1732, 2045, 2165, 4090, 4330, 4499, 4763, 8180, 8660, 8998, 9526, 17996, 19052, 22495, 23815, 44990, 47630, 89980, 95260, 177097, 354194, 708388, 885485, 1770970, 1948067, 3541940, 3896134, 7792268, 9740335, 19480670, 38961340]

約数ペア:

[(1, 38961340), (2, 19480670), (4, 9740335), (5, 7792268), (10, 3896134), (11, 3541940), (20, 1948067), (22, 1770970), (44, 885485), (55, 708388), (110, 354194), (220, 177097), (409, 95260), (433, 89980), (818, 47630), (866, 44990), (1636, 23815), (1732, 22495), (2045, 19052), (2165, 17996), (4090, 9526), (4330, 8998), (4499, 8660), (4763, 8180)]