89388520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 217642320

約数和(自身を除く): 128253800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 433, 520, 794, 866, 1588, 1732, 1985, 2165, 3176, 3464, 3970, 4330, 5161, 5629, 7940, 8660, 10322, 11258, 15880, 17320, 20644, 22516, 25805, 28145, 41288, 45032, 51610, 56290, 103220, 112580, 171901, 206440, 225160, 343802, 687604, 859505, 1375208, 1719010, 2234713, 3438020, 4469426, 6876040, 8938852, 11173565, 17877704, 22347130, 44694260, 89388520]

約数ペア:

[(1, 89388520), (2, 44694260), (4, 22347130), (5, 17877704), (8, 11173565), (10, 8938852), (13, 6876040), (20, 4469426), (26, 3438020), (40, 2234713), (52, 1719010), (65, 1375208), (104, 859505), (130, 687604), (260, 343802), (397, 225160), (433, 206440), (520, 171901), (794, 112580), (866, 103220), (1588, 56290), (1732, 51610), (1985, 45032), (2165, 41288), (3176, 28145), (3464, 25805), (3970, 22516), (4330, 20644), (5161, 17320), (5629, 15880), (7940, 11258), (8660, 10322)]