13255720

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1171}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 29956320

約数和(自身を除く): 16700600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1171, 1415, 2264, 2342, 2830, 4684, 5660, 5855, 9368, 11320, 11710, 23420, 46840, 331393, 662786, 1325572, 1656965, 2651144, 3313930, 6627860, 13255720]

約数ペア:

[(1, 13255720), (2, 6627860), (4, 3313930), (5, 2651144), (8, 1656965), (10, 1325572), (20, 662786), (40, 331393), (283, 46840), (566, 23420), (1132, 11710), (1171, 11320), (1415, 9368), (2264, 5855), (2342, 5660), (2830, 4684)]