13261520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3527}}^1$

素因数の和:3587

約数の個数: 40

約数和(自身を含む): 31497984

約数和(自身を除く): 18236464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3527, 3760, 7054, 14108, 17635, 28216, 35270, 56432, 70540, 141080, 165769, 282160, 331538, 663076, 828845, 1326152, 1657690, 2652304, 3315380, 6630760, 13261520]

約数ペア:

[(1, 13261520), (2, 6630760), (4, 3315380), (5, 2652304), (8, 1657690), (10, 1326152), (16, 828845), (20, 663076), (40, 331538), (47, 282160), (80, 165769), (94, 141080), (188, 70540), (235, 56432), (376, 35270), (470, 28216), (752, 17635), (940, 14108), (1880, 7054), (3527, 3760)]