15728920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5869}}^1$

素因数の和:5947

約数の個数: 32

約数和(自身を含む): 35924400

約数和(自身を除く): 20195480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 5869, 11738, 23476, 29345, 46952, 58690, 117380, 234760, 393223, 786446, 1572892, 1966115, 3145784, 3932230, 7864460, 15728920]

約数ペア:

[(1, 15728920), (2, 7864460), (4, 3932230), (5, 3145784), (8, 1966115), (10, 1572892), (20, 786446), (40, 393223), (67, 234760), (134, 117380), (268, 58690), (335, 46952), (536, 29345), (670, 23476), (1340, 11738), (2680, 5869)]