28399960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10597}}^1$

素因数の和:10675

約数の個数: 32

約数和(自身を含む): 64859760

約数和(自身を除く): 36459800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 10597, 21194, 42388, 52985, 84776, 105970, 211940, 423880, 709999, 1419998, 2839996, 3549995, 5679992, 7099990, 14199980, 28399960]

約数ペア:

[(1, 28399960), (2, 14199980), (4, 7099990), (5, 5679992), (8, 3549995), (10, 2839996), (20, 1419998), (40, 709999), (67, 423880), (134, 211940), (268, 105970), (335, 84776), (536, 52985), (670, 42388), (1340, 21194), (2680, 10597)]