38985320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 96344640

約数和(自身を除く): 57359320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 251, 353, 440, 502, 706, 1004, 1255, 1412, 1765, 2008, 2510, 2761, 2824, 3530, 3883, 5020, 5522, 7060, 7766, 10040, 11044, 13805, 14120, 15532, 19415, 22088, 27610, 31064, 38830, 55220, 77660, 88603, 110440, 155320, 177206, 354412, 443015, 708824, 886030, 974633, 1772060, 1949266, 3544120, 3898532, 4873165, 7797064, 9746330, 19492660, 38985320]

約数ペア:

[(1, 38985320), (2, 19492660), (4, 9746330), (5, 7797064), (8, 4873165), (10, 3898532), (11, 3544120), (20, 1949266), (22, 1772060), (40, 974633), (44, 886030), (55, 708824), (88, 443015), (110, 354412), (220, 177206), (251, 155320), (353, 110440), (440, 88603), (502, 77660), (706, 55220), (1004, 38830), (1255, 31064), (1412, 27610), (1765, 22088), (2008, 19415), (2510, 15532), (2761, 14120), (2824, 13805), (3530, 11044), (3883, 10040), (5020, 7766), (5522, 7060)]